Solving 1-step Equations

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9 = x/3

27 = x

x/25 = 4

x = 100

5 = x - 7

12 = x

Is x = 12 a solution for x - 7 = 13?

No, 12 - 7 ≠ 13

1.8x = 18

x = 10

x + 18 = 35

x = 17

3x = 63

x = 21

x - 16 = 8

x = 24

x - 12 = 13

x = 25

x - 17 = 11

x = 28

x + 8 = 40

x = 32

17 = x/8

136 = x

34 = 16 + x

18 = x

48 = x + 19

29 = x

7 = x - 28

35 = x

52 = x + 9.4

42.6 =x

12 = x/4

48 = x

24 = x - 25

49 = x

85 = 17x

5 = x

150 = 3x

50 = x

72 = 8x

9 = x

What is the first step to solve x - 12 = 28?

Add 12 to both sides.

What is the first step to solve 3x = 15?

Divide both sides by 3.

What is the first step to solve x/4 = 12

Multiply both sides by 4.

Is x = 34 a solution for x/8 = 4?

No, 34/8 ≠ 4

What is the first step to solve x + 15 = 19?

Subtract 15 from both sides.

Is x = 3 a solution for 5x = 15?

Yes, 5•3 = 15

Is x = 7 a solution for x + 18 = 25?

Yes, 7 + 18 = 25

9x = 99

x = 11

7x = 84

x = 12

12 + x = 25

x = 13

x + 5 = 19

x = 14

x - 11 = 22

x = 33

3x = 102

x = 34

6x = 222

x = 37

12 + x = 50

x = 38

x/8 = 5

x = 40

3.4 + x = 52

x = 48.6

x - 12 = 40

x = 52


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