Back to worksheets Maths Ages 16-18
Linear equations Solve a linear equation by reversing addition and multiplication, then substitute your answer to check it. Review suitability for your learners before teaching.
Student worksheet Answer key
Worksheet Studio Practice pack · Ages 16-18
Linear equations Take your time. Show your thinking.
LHS = RHS 11 · 28 · 182 · Linear equations
LHS = RHS 2 · 13 · 53 · Linear equations
LHS = RHS 11 · 24 · 112 · Linear equations
LHS = RHS 3 · 8 · 20 · Linear equations
LHS = RHS 9 · 13 · 157 · Linear equations
LHS = RHS 2 · 13 · 39 · Linear equations
LHS = RHS 6 · 28 · 136 · Linear equations
LHS = RHS 6 · 30 · 60 · Linear equations
LHS = RHS 2 · 25 · 63 · Linear equations
LHS = RHS 6 · 8 · 20 · Linear equations
LHS = RHS 3 · 18 · 33 · Linear equations
12. Solve 10x + 13 = 123.
LHS = RHS 10 · 13 · 123 · Linear equations
12 questions · Seed 104735 · Age guidance, not curriculum certification
View the answer key Worksheet Studio Answer key · Ages 16-18
Linear equations Answers and reasoning. Review before teaching.
14 Subtract 28, then divide by 11. x = 14. Check: 11 × 14 + 28 = 182.
20 Subtract 13, then divide by 2. x = 20. Check: 2 × 20 + 13 = 53.
8 Subtract 24, then divide by 11. x = 8. Check: 11 × 8 + 24 = 112.
4 Subtract 8, then divide by 3. x = 4. Check: 3 × 4 + 8 = 20.
16 Subtract 13, then divide by 9. x = 16. Check: 9 × 16 + 13 = 157.
13 Subtract 13, then divide by 2. x = 13. Check: 2 × 13 + 13 = 39.
18 Subtract 28, then divide by 6. x = 18. Check: 6 × 18 + 28 = 136.
5 Subtract 30, then divide by 6. x = 5. Check: 6 × 5 + 30 = 60.
19 Subtract 25, then divide by 2. x = 19. Check: 2 × 19 + 25 = 63.
2 Subtract 8, then divide by 6. x = 2. Check: 6 × 2 + 8 = 20.
5 Subtract 18, then divide by 3. x = 5. Check: 3 × 5 + 18 = 33.
12. Solve 10x + 13 = 123.
11 Subtract 13, then divide by 10. x = 11. Check: 10 × 11 + 13 = 123.
12 questions · Seed 104735 · Age guidance, not curriculum certification
Worksheet Studio Practice pack · Ages 16-18
Linear equations Take your time. Show your thinking.
LHS = RHS 11 · 28 · 182 · Linear equations
LHS = RHS 2 · 13 · 53 · Linear equations
LHS = RHS 11 · 24 · 112 · Linear equations
LHS = RHS 3 · 8 · 20 · Linear equations
LHS = RHS 9 · 13 · 157 · Linear equations
LHS = RHS 2 · 13 · 39 · Linear equations
LHS = RHS 6 · 28 · 136 · Linear equations
LHS = RHS 6 · 30 · 60 · Linear equations
LHS = RHS 2 · 25 · 63 · Linear equations
LHS = RHS 6 · 8 · 20 · Linear equations
LHS = RHS 3 · 18 · 33 · Linear equations
12. Solve 10x + 13 = 123.
LHS = RHS 10 · 13 · 123 · Linear equations
12 questions · Seed 104735 · Age guidance, not curriculum certification
Worksheet Studio Answer key · Ages 16-18
Linear equations Answers and reasoning. Review before teaching.
14 Subtract 28, then divide by 11. x = 14. Check: 11 × 14 + 28 = 182.
20 Subtract 13, then divide by 2. x = 20. Check: 2 × 20 + 13 = 53.
8 Subtract 24, then divide by 11. x = 8. Check: 11 × 8 + 24 = 112.
4 Subtract 8, then divide by 3. x = 4. Check: 3 × 4 + 8 = 20.
16 Subtract 13, then divide by 9. x = 16. Check: 9 × 16 + 13 = 157.
13 Subtract 13, then divide by 2. x = 13. Check: 2 × 13 + 13 = 39.
18 Subtract 28, then divide by 6. x = 18. Check: 6 × 18 + 28 = 136.
5 Subtract 30, then divide by 6. x = 5. Check: 6 × 5 + 30 = 60.
19 Subtract 25, then divide by 2. x = 19. Check: 2 × 19 + 25 = 63.
2 Subtract 8, then divide by 6. x = 2. Check: 6 × 2 + 8 = 20.
5 Subtract 18, then divide by 3. x = 5. Check: 3 × 5 + 18 = 33.
12. Solve 10x + 13 = 123.
11 Subtract 13, then divide by 10. x = 11. Check: 10 × 11 + 13 = 123.
12 questions · Seed 104735 · Age guidance, not curriculum certification
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