1) What is the first step in solving 3x + 5 = 20? a) Subtract 5 b) Add 5 c) Divide by 3 d) Multiply by 3 2) Solve for x: x - 4 = 10. a) x = 14 b) x = 6 c) x = -6 d) x = 4 3) What is the inverse operation of addition? a) Subtraction b) Multiplication c) Division d) Addition 4) Solve for x: 2x = 16. a) x = 8 b) x = 14 c) x = 32 d) x = 18 5) What operation would you use to isolate x in x/3 = 9? a) Multiply by 3 b) Divide by 3 c) Add 3 d) Subtract 3 6) Solve for x: 5x + 2 = 17. a) x = 3 b) x = 5 c) x = 15 d) x = 2 7) What is the first step in solving x + 7 = 12? a) Subtract 7 b) Add 7 c) Multiply by 7 d) Divide by 7 8) Solve for x: 4x - 8 = 0. a) x = 2 b) x = -2 c) x = 8 d) x = 4 9) What is the inverse operation of multiplication? a) Division b) Addition c) Subtraction d) Multiplication 10) Solve for x: x/5 = 7. a) x = 35 b) x = 12 c) x = 2 d) x = 5 11) What is the first step in solving 2x + 3 = 11? a) Subtract 3 b) Add 3 c) Multiply by 2 d) Divide by 2 12) Solve for x: 3x = 21. a) x = 7 b) x = 18 c) x = 24 d) x = 9 13) What operation would you use to isolate x in x - 6 = 4? a) Add 6 b) Subtract 6 c) Multiply by 6 d) Divide by 6 14) Solve for x: 6x + 4 = 22. a) x = 3 b) x = 4 c) x = 2 d) x = 5 15) What is the inverse operation of subtraction? a) Addition b) Multiplication c) Division d) Subtraction 16) Solve for x: x/4 = 5. a) x = 20 b) x = 9 c) x = 1 d) x = 4 17) What is the first step in solving 5x - 3 = 12? a) Add 3 b) Subtract 3 c) Multiply by 5 d) Divide by 5 18) Solve for x: 7x = 49. a) x = 7 b) x = 6 c) x = 8 d) x = 5 19) What operation would you use to isolate x in x + 9 = 15? a) Subtract 9 b) Add 9 c) Multiply by 9 d) Divide by 9 20) Solve for x: 8x - 16 = 0. a) x = 2 b) x = 4 c) x = 8 d) x = 1

Introduction to algebra grade 8

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