Question

Each of these equations holds true for one value of x from the set {5, 12, 15, 18}. Arrange the equations in increasing order of the x-values that make them true.

x + (x − 10) = 26
6x − 15 = 75
2(2x − 1) = 46
5x − 3x = 10

Answer 1

26>42+1/2=100

Explanation:

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Answer 2

5x - 3x = 10

2(2x - 1) = 46

6x - 15 = 75

x+(x - 10) = 26

Explanation:

5x - 3x = 10

2x = 10 Divide by 2

x=5

2(2x - 1) = 46 Distribute the 2

4x - 2 = 46 Add 2

4x = 48 Subtract by 4

x = 12

6x - 15 = 75 Add 15

6x = 90 Divide by 6

x=15

x + x - 10 =26 Add the x's together and the 10

2x = 36 Divide by 2

x = 18

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