Solve systems by substitution
8th grade (Year 9 in England) · 16 questions · Common Core: 8.EE.C.8.B · England: KS3 Algebra, GCSE Foundation Algebra
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Score/ 16
Question 1
Solve: x = 4y − 27 and x + y = 13. Type the solution like (2, 3).
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Question 2
Solve the system: y = 3x + 9 and 4x + 4y = −12. Type the solution like (2, −3).
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Question 3
Solve: x = 2y + 0 and x + y = 9. Type the solution like (2, 3).
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Question 4
Solve the system: y = 4x + 18 and x + 4y = −13. Type the solution like (2, −3).
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Question 5
Solve: x = 4y − 22 and x + y = 13. Type the solution like (2, 3).
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Question 6
Solve the system: y = −4x − 8 and x + 4y = −17. Type the solution like (2, −3).
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Question 7
Solve: x = 4y − 12 and x + y = 8. Type the solution like (2, 3).
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Question 8
Solve: y = x + 2 and 2x + y = 11. Type the solution like (2, −3).
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Question 9
Solve: x = 3y − 19 and x + y = 13. Type the solution like (2, 3).
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Question 10
Solve the system: y = −2x + 13 and x − y = 5. Type the solution like (2, −3).
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Question 11
Solve: x = 4y − 8 and x + y = 7. Type the solution like (2, 3).
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Question 12
Solve the system: y = 2x − 8 and x − y = 4. Type the solution like (2, −3).
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Question 13
Solve: x = 3y − 3 and x + y = 5. Type the solution like (2, 3).
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Question 14
Solve the system: y = x and 5x + 4y = 27. Type the solution like (2, −3).
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Question 15
Solve: x = 2y − 9 and x + y = 12. Type the solution like (2, 3).
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Question 16
Solve the system: y = 4x + 25 and 3x + 3y = −15. Type the solution like (2, −3).
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