-4m-12=-20

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Solution for -4m-12=-20 equation: 


Simplifying
-4m + -12 = -20

Reorder the terms:
-12 + -4m = -20

Solving
-12 + -4m = -20

Solving for variable 'm'.

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

Add '12' to each side of the equation.
-12 + 12 + -4m = -20 + 12

Combine like terms: -12 + 12 = 0
0 + -4m = -20 + 12
-4m = -20 + 12

Combine like terms: -20 + 12 = -8
-4m = -8

Divide each side by '-4'.
m = 2

Simplifying
m = 2

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