What is the answer to 12m+22-3m=2m-13 ?

The answer to 12m+22-3m=2m-13 is m=-5

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12m+22-3m=2m-13

12 m + 22 - 3 m = 2 m - 13

m = - 5

Solution steps

12 m + 22 - 3 m = 2 m - 13

Group like terms

12 m - 3 m + 22 = 2 m - 13

Add similar elements:

12 m - 3 m = 9 m

9 m + 22 = 2 m - 13

Move

22

to the right side

9 m = 2 m - 35

Move

2 m

to the left side

7 m = - 35

Divide both sides by

7

m = - 5

117 - 25 x = - 26 x - 30

9 = 6 - (x + 2)

- \frac{1}{2} x = 6

9 x + 9 + 3 x = 15

2 x + 2 = 2 (x + 1)