4(m+7)-5m=8(m-7)-2m

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Solution for 4(m+7)-5m=8(m-7)-2m equation:


Simplifying
4(m + 7) + -5m = 8(m + -7) + -2m

Reorder the terms:
4(7 + m) + -5m = 8(m + -7) + -2m
(7 * 4 + m * 4) + -5m = 8(m + -7) + -2m
(28 + 4m) + -5m = 8(m + -7) + -2m

Combine like terms: 4m + -5m = -1m
28 + -1m = 8(m + -7) + -2m

Reorder the terms:
28 + -1m = 8(-7 + m) + -2m
28 + -1m = (-7 * 8 + m * 8) + -2m
28 + -1m = (-56 + 8m) + -2m

Combine like terms: 8m + -2m = 6m
28 + -1m = -56 + 6m

Solving
28 + -1m = -56 + 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.
28 + -1m + -6m = -56 + 6m + -6m

Combine like terms: -1m + -6m = -7m
28 + -7m = -56 + 6m + -6m

Combine like terms: 6m + -6m = 0
28 + -7m = -56 + 0
28 + -7m = -56

Add '-28' to each side of the equation.
28 + -28 + -7m = -56 + -28

Combine like terms: 28 + -28 = 0
0 + -7m = -56 + -28
-7m = -56 + -28

Combine like terms: -56 + -28 = -84
-7m = -84

Divide each side by '-7'.
m = 12

Simplifying
m = 12

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