3m+7=15-m

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


Simplifying
3m + 7 = 15 + -1m

Reorder the terms:
7 + 3m = 15 + -1m

Solving
7 + 3m = 15 + -1m

Solving for variable 'm'.

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

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

Combine like terms: 3m + m = 4m
7 + 4m = 15 + -1m + m

Combine like terms: -1m + m = 0
7 + 4m = 15 + 0
7 + 4m = 15

Add '-7' to each side of the equation.
7 + -7 + 4m = 15 + -7

Combine like terms: 7 + -7 = 0
0 + 4m = 15 + -7
4m = 15 + -7

Combine like terms: 15 + -7 = 8
4m = 8

Divide each side by '4'.
m = 2

Simplifying
m = 2

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