2m+8-4m=12

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Solution for 2m+8-4m=12 equation:


Simplifying
2m + 8 + -4m = 12

Reorder the terms:
8 + 2m + -4m = 12

Combine like terms: 2m + -4m = -2m
8 + -2m = 12

Solving
8 + -2m = 12

Solving for variable 'm'.

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

Add '-8' to each side of the equation.
8 + -8 + -2m = 12 + -8

Combine like terms: 8 + -8 = 0
0 + -2m = 12 + -8
-2m = 12 + -8

Combine like terms: 12 + -8 = 4
-2m = 4

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

Simplifying
m = -2

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