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Linear Equations & Inequalities — Easy Worksheet 2
Grade 9 · Whoobee Name: ____________________ Date: __________
Solve for x.
How to solve
If x appears on both sides, first move the x terms to one side. Undo addition or subtraction, then divide both sides by the coefficient of x. For an inequality, solve the same way and write the answer as x > a or x < a.
Example
3x - 6 = 21
Answer: 9
Not quite. The answer is
💡 Subtract 3 from both sides: 2x = 9 − 3 = 6. Divide both sides by 2: x = 6 ÷ 2 = 3. Check: 2(3) + 3 = 9. So x = 3.
✓ Correct!
Not quite. The answer is
💡 Subtract 3 from both sides: 2x = 9 − 3 = 6. Divide both sides by 2: x = 6 ÷ 2 = 3. Check: 2(3) + 3 = 9. So x = 3.
💡 How to solve: Linear Equations & Inequalities
If x appears on both sides, first move the x terms to one side. Undo addition or subtraction, then divide both sides by the coefficient of x. For an inequality, solve the same way and write the answer as x > a or x < a.
Try a similar one
4x + 2 = 6
✓ You've got it! Press Next to keep going. Not yet — the answer is . Read the steps above once more.
Not quite. The answer is
💡 Subtract 5 from both sides: 5x = 0 − 5 = −5. Divide both sides by 5: x = −5 ÷ 5 = −1. Check: 5(−1) + 5 = 0. So x = −1.
✓ Correct!
Not quite. The answer is
💡 Subtract 5 from both sides: 5x = 0 − 5 = −5. Divide both sides by 5: x = −5 ÷ 5 = −1. Check: 5(−1) + 5 = 0. So x = −1.
💡 How to solve: Linear Equations & Inequalities
If x appears on both sides, first move the x terms to one side. Undo addition or subtraction, then divide both sides by the coefficient of x. For an inequality, solve the same way and write the answer as x > a or x < a.
Try a similar one
3x - 9 = 0
✓ You've got it! Press Next to keep going. Not yet — the answer is . Read the steps above once more.
Not quite. The answer is
💡 Subtract 8 from both sides: 4x = −20 − 8 = −28. Divide both sides by 4: x = −28 ÷ 4 = −7. Check: 4(−7) + 8 = −20. So x = −7.
✓ Correct!
Not quite. The answer is
💡 Subtract 8 from both sides: 4x = −20 − 8 = −28. Divide both sides by 4: x = −28 ÷ 4 = −7. Check: 4(−7) + 8 = −20. So x = −7.
💡 How to solve: Linear Equations & Inequalities
If x appears on both sides, first move the x terms to one side. Undo addition or subtraction, then divide both sides by the coefficient of x. For an inequality, solve the same way and write the answer as x > a or x < a.
Try a similar one
4x + 2 = 30
✓ You've got it! Press Next to keep going. Not yet — the answer is . Read the steps above once more.
Not quite. The answer is
💡 Add 2 to both sides: 3x = −20 + 2 = −18. Divide both sides by 3: x = −18 ÷ 3 = −6. Check: 3(−6) − 2 = −20. So x = −6.
✓ Correct!
Not quite. The answer is
💡 Add 2 to both sides: 3x = −20 + 2 = −18. Divide both sides by 3: x = −18 ÷ 3 = −6. Check: 3(−6) − 2 = −20. So x = −6.
💡 How to solve: Linear Equations & Inequalities
If x appears on both sides, first move the x terms to one side. Undo addition or subtraction, then divide both sides by the coefficient of x. For an inequality, solve the same way and write the answer as x > a or x < a.
Try a similar one
5x + 4 = 19
✓ You've got it! Press Next to keep going. Not yet — the answer is . Read the steps above once more.
Not quite. The answer is
💡 Add 1 to both sides: 4x = 15 + 1 = 16. Divide both sides by 4: x = 16 ÷ 4 = 4. Check: 4(4) − 1 = 15. So x = 4.
✓ Correct!
Not quite. The answer is
💡 Add 1 to both sides: 4x = 15 + 1 = 16. Divide both sides by 4: x = 16 ÷ 4 = 4. Check: 4(4) − 1 = 15. So x = 4.
💡 How to solve: Linear Equations & Inequalities
If x appears on both sides, first move the x terms to one side. Undo addition or subtraction, then divide both sides by the coefficient of x. For an inequality, solve the same way and write the answer as x > a or x < a.
Try a similar one
4x = -12
✓ You've got it! Press Next to keep going. Not yet — the answer is . Read the steps above once more.
Not quite. The answer is
💡 Add 3 to both sides: 2x = 3 + 3 = 6. Divide both sides by 2: x = 6 ÷ 2 = 3. Check: 2(3) − 3 = 3. So x = 3.
✓ Correct!
Not quite. The answer is
💡 Add 3 to both sides: 2x = 3 + 3 = 6. Divide both sides by 2: x = 6 ÷ 2 = 3. Check: 2(3) − 3 = 3. So x = 3.
💡 How to solve: Linear Equations & Inequalities
If x appears on both sides, first move the x terms to one side. Undo addition or subtraction, then divide both sides by the coefficient of x. For an inequality, solve the same way and write the answer as x > a or x < a.
Try a similar one
4x - 5 = 7
✓ You've got it! Press Next to keep going. Not yet — the answer is . Read the steps above once more.
Not quite. The answer is
💡 Add 6 to both sides: 3x = −9 + 6 = −3. Divide both sides by 3: x = −3 ÷ 3 = −1. Check: 3(−1) − 6 = −9. So x = −1.
✓ Correct!
Not quite. The answer is
💡 Add 6 to both sides: 3x = −9 + 6 = −3. Divide both sides by 3: x = −3 ÷ 3 = −1. Check: 3(−1) − 6 = −9. So x = −1.
💡 How to solve: Linear Equations & Inequalities
If x appears on both sides, first move the x terms to one side. Undo addition or subtraction, then divide both sides by the coefficient of x. For an inequality, solve the same way and write the answer as x > a or x < a.
Try a similar one
4x + 1 = 41
✓ You've got it! Press Next to keep going. Not yet — the answer is . Read the steps above once more.
Not quite. The answer is
💡 Subtract 10 from both sides: 3x = −2 − 10 = −12. Divide both sides by 3: x = −12 ÷ 3 = −4. Check: 3(−4) + 10 = −2. So x = −4.
✓ Correct!
Not quite. The answer is
💡 Subtract 10 from both sides: 3x = −2 − 10 = −12. Divide both sides by 3: x = −12 ÷ 3 = −4. Check: 3(−4) + 10 = −2. So x = −4.
💡 How to solve: Linear Equations & Inequalities
If x appears on both sides, first move the x terms to one side. Undo addition or subtraction, then divide both sides by the coefficient of x. For an inequality, solve the same way and write the answer as x > a or x < a.
Try a similar one
4x + 2 = 30
✓ You've got it! Press Next to keep going. Not yet — the answer is . Read the steps above once more.
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Linear Equations & Inequalities — Easy Worksheet 2
Solve for x.