Solving One-Step Addition Equations, Quiz 6, Level 1

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1. Solve the equation. x + 20 = 20
x = 0
x = 0
x = 40
x = 40

2. Solve the equation. x + 11 = 1
x = 10
x = 22
x = 2
x = -10

3. Solve the equation. x + 14 = 20
x = 28
x = 40
x = 6
x = -6

4. Solve the equation. x + 4 = 20
x = 16
x = -16
x = 8
x = 40

5. Solve the equation. x + 19 = 6
x = 13
x = 38
x = 12
x = -13

6. Solve the equation. x + 9 = 17
x = 18
x = 34
x = 8
x = -8

7. Solve the equation. x + 15 = 18
x = 30
x = 36
x = 3
x = -3

8. Solve the equation. x + 5 = 13
x = -8
x = 10
x = 8
x = 26

9. Solve the equation. x + 1 = 11
x = 10
x = -10
x = 2
x = 22

10. Solve the equation. x + 4 = 5
x = -1
x = 8
x = 1
x = 10

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