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

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


Simplifying
-3m + -1m = 2(7 + 7m) + -8(-7 + m)

Combine like terms: -3m + -1m = -4m
-4m = 2(7 + 7m) + -8(-7 + m)
-4m = (7 * 2 + 7m * 2) + -8(-7 + m)
-4m = (14 + 14m) + -8(-7 + m)
-4m = 14 + 14m + (-7 * -8 + m * -8)
-4m = 14 + 14m + (56 + -8m)

Reorder the terms:
-4m = 14 + 56 + 14m + -8m

Combine like terms: 14 + 56 = 70
-4m = 70 + 14m + -8m

Combine like terms: 14m + -8m = 6m
-4m = 70 + 6m

Solving
-4m = 70 + 6m

Solving for variable 'm'.

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

Add '-6m' to each side of the equation.
-4m + -6m = 70 + 6m + -6m

Combine like terms: -4m + -6m = -10m
-10m = 70 + 6m + -6m

Combine like terms: 6m + -6m = 0
-10m = 70 + 0
-10m = 70

Divide each side by '-10'.
m = -7

Simplifying
m = -7

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