-2m-8=4(3m+7)+20

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Solution for -2m-8=4(3m+7)+20 equation:


Simplifying
-2m + -8 = 4(3m + 7) + 20

Reorder the terms:
-8 + -2m = 4(3m + 7) + 20

Reorder the terms:
-8 + -2m = 4(7 + 3m) + 20
-8 + -2m = (7 * 4 + 3m * 4) + 20
-8 + -2m = (28 + 12m) + 20

Reorder the terms:
-8 + -2m = 28 + 20 + 12m

Combine like terms: 28 + 20 = 48
-8 + -2m = 48 + 12m

Solving
-8 + -2m = 48 + 12m

Solving for variable 'm'.

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

Add '-12m' to each side of the equation.
-8 + -2m + -12m = 48 + 12m + -12m

Combine like terms: -2m + -12m = -14m
-8 + -14m = 48 + 12m + -12m

Combine like terms: 12m + -12m = 0
-8 + -14m = 48 + 0
-8 + -14m = 48

Add '8' to each side of the equation.
-8 + 8 + -14m = 48 + 8

Combine like terms: -8 + 8 = 0
0 + -14m = 48 + 8
-14m = 48 + 8

Combine like terms: 48 + 8 = 56
-14m = 56

Divide each side by '-14'.
m = -4

Simplifying
m = -4

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