-3m-7=-31-m

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Solution for -3m-7=-31-m equation:


Simplifying
-3m + -7 = -31 + -1m

Reorder the terms:
-7 + -3m = -31 + -1m

Solving
-7 + -3m = -31 + -1m

Solving for variable 'm'.

Move all terms containing m to the left, all other terms to the right.

Add 'm' to each side of the equation.
-7 + -3m + m = -31 + -1m + m

Combine like terms: -3m + m = -2m
-7 + -2m = -31 + -1m + m

Combine like terms: -1m + m = 0
-7 + -2m = -31 + 0
-7 + -2m = -31

Add '7' to each side of the equation.
-7 + 7 + -2m = -31 + 7

Combine like terms: -7 + 7 = 0
0 + -2m = -31 + 7
-2m = -31 + 7

Combine like terms: -31 + 7 = -24
-2m = -24

Divide each side by '-2'.
m = 12

Simplifying
m = 12

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