-4m-12+7+5m=21

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Solution for -4m-12+7+5m=21 equation:


Simplifying
-4m + -12 + 7 + 5m = 21

Reorder the terms:
-12 + 7 + -4m + 5m = 21

Combine like terms: -12 + 7 = -5
-5 + -4m + 5m = 21

Combine like terms: -4m + 5m = 1m
-5 + 1m = 21

Solving
-5 + 1m = 21

Solving for variable 'm'.

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

Add '5' to each side of the equation.
-5 + 5 + 1m = 21 + 5

Combine like terms: -5 + 5 = 0
0 + 1m = 21 + 5
1m = 21 + 5

Combine like terms: 21 + 5 = 26
1m = 26

Divide each side by '1'.
m = 26

Simplifying
m = 26

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