m+15=7m-9

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Solution for m+15=7m-9 equation: 


Simplifying
m + 15 = 7m + -9

Reorder the terms:
15 + m = 7m + -9

Reorder the terms:
15 + m = -9 + 7m

Solving
15 + m = -9 + 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 + m + -7m = -9 + 7m + -7m

Combine like terms: m + -7m = -6m
15 + -6m = -9 + 7m + -7m

Combine like terms: 7m + -7m = 0
15 + -6m = -9 + 0
15 + -6m = -9

Add '-15' to each side of the equation.
15 + -15 + -6m = -9 + -15

Combine like terms: 15 + -15 = 0
0 + -6m = -9 + -15
-6m = -9 + -15

Combine like terms: -9 + -15 = -24
-6m = -24

Divide each side by '-6'.
m = 4

Simplifying
m = 4

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