15=n+m

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Solution for 15=n+m equation: 


Simplifying
15 = n + m

Reorder the terms:
15 = m + n

Solving
15 = m + n

Solving for variable 'm'.

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

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

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

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

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

Divide each side by '-1'.
m = 15 + -1n

Simplifying
m = 15 + -1n

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