7m+8=8m-4

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Solution for 7m+8=8m-4 equation:


Simplifying
7m + 8 = 8m + -4

Reorder the terms:
8 + 7m = 8m + -4

Reorder the terms:
8 + 7m = -4 + 8m

Solving
8 + 7m = -4 + 8m

Solving for variable 'm'.

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

Add '-8m' to each side of the equation.
8 + 7m + -8m = -4 + 8m + -8m

Combine like terms: 7m + -8m = -1m
8 + -1m = -4 + 8m + -8m

Combine like terms: 8m + -8m = 0
8 + -1m = -4 + 0
8 + -1m = -4

Add '-8' to each side of the equation.
8 + -8 + -1m = -4 + -8

Combine like terms: 8 + -8 = 0
0 + -1m = -4 + -8
-1m = -4 + -8

Combine like terms: -4 + -8 = -12
-1m = -12

Divide each side by '-1'.
m = 12

Simplifying
m = 12

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