-m-5=3m+7

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Solution for -m-5=3m+7 equation:


Simplifying
-1m + -5 = 3m + 7

Reorder the terms:
-5 + -1m = 3m + 7

Reorder the terms:
-5 + -1m = 7 + 3m

Solving
-5 + -1m = 7 + 3m

Solving for variable 'm'.

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

Add '-3m' to each side of the equation.
-5 + -1m + -3m = 7 + 3m + -3m

Combine like terms: -1m + -3m = -4m
-5 + -4m = 7 + 3m + -3m

Combine like terms: 3m + -3m = 0
-5 + -4m = 7 + 0
-5 + -4m = 7

Add '5' to each side of the equation.
-5 + 5 + -4m = 7 + 5

Combine like terms: -5 + 5 = 0
0 + -4m = 7 + 5
-4m = 7 + 5

Combine like terms: 7 + 5 = 12
-4m = 12

Divide each side by '-4'.
m = -3

Simplifying
m = -3

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