7m-8=3m+12

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Solution for 7m-8=3m+12 equation:


Simplifying
7m + -8 = 3m + 12

Reorder the terms:
-8 + 7m = 3m + 12

Reorder the terms:
-8 + 7m = 12 + 3m

Solving
-8 + 7m = 12 + 3m

Solving for variable 'm'.

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

Add '-3m' to each side of the equation.
-8 + 7m + -3m = 12 + 3m + -3m

Combine like terms: 7m + -3m = 4m
-8 + 4m = 12 + 3m + -3m

Combine like terms: 3m + -3m = 0
-8 + 4m = 12 + 0
-8 + 4m = 12

Add '8' to each side of the equation.
-8 + 8 + 4m = 12 + 8

Combine like terms: -8 + 8 = 0
0 + 4m = 12 + 8
4m = 12 + 8

Combine like terms: 12 + 8 = 20
4m = 20

Divide each side by '4'.
m = 5

Simplifying
m = 5

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