n+m+m=20

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Solution for n+m+m=20 equation: 


Simplifying
n + m + m = 20

Reorder the terms:
m + m + n = 20

Combine like terms: m + m = 2m
2m + n = 20

Solving
2m + n = 20

Solving for variable 'm'.

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

Add '-1n' to each side of the equation.
2m + n + -1n = 20 + -1n

Combine like terms: n + -1n = 0
2m + 0 = 20 + -1n
2m = 20 + -1n

Divide each side by '2'.
m = 10 + -0.5n

Simplifying
m = 10 + -0.5n

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