7m+15=8m+12

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Solution for 7m+15=8m+12 equation:


Simplifying
7m + 15 = 8m + 12

Reorder the terms:
15 + 7m = 8m + 12

Reorder the terms:
15 + 7m = 12 + 8m

Solving
15 + 7m = 12 + 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.
15 + 7m + -8m = 12 + 8m + -8m

Combine like terms: 7m + -8m = -1m
15 + -1m = 12 + 8m + -8m

Combine like terms: 8m + -8m = 0
15 + -1m = 12 + 0
15 + -1m = 12

Add '-15' to each side of the equation.
15 + -15 + -1m = 12 + -15

Combine like terms: 15 + -15 = 0
0 + -1m = 12 + -15
-1m = 12 + -15

Combine like terms: 12 + -15 = -3
-1m = -3

Divide each side by '-1'.
m = 3

Simplifying
m = 3

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