15-m=3-7m

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Solution for 15-m=3-7m equation:


Simplifying
15 + -1m = 3 + -7m

Solving
15 + -1m = 3 + -7m

Solving for variable 'm'.

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

Add '7m' to each side of the equation.
15 + -1m + 7m = 3 + -7m + 7m

Combine like terms: -1m + 7m = 6m
15 + 6m = 3 + -7m + 7m

Combine like terms: -7m + 7m = 0
15 + 6m = 3 + 0
15 + 6m = 3

Add '-15' to each side of the equation.
15 + -15 + 6m = 3 + -15

Combine like terms: 15 + -15 = 0
0 + 6m = 3 + -15
6m = 3 + -15

Combine like terms: 3 + -15 = -12
6m = -12

Divide each side by '6'.
m = -2

Simplifying
m = -2

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