m+15=3m

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Solution for m+15=3m equation:


Simplifying
m + 15 = 3m

Reorder the terms:
15 + m = 3m

Solving
15 + m = 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.
15 + m + -3m = 3m + -3m

Combine like terms: m + -3m = -2m
15 + -2m = 3m + -3m

Combine like terms: 3m + -3m = 0
15 + -2m = 0

Add '-15' to each side of the equation.
15 + -15 + -2m = 0 + -15

Combine like terms: 15 + -15 = 0
0 + -2m = 0 + -15
-2m = 0 + -15

Combine like terms: 0 + -15 = -15
-2m = -15

Divide each side by '-2'.
m = 7.5

Simplifying
m = 7.5

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