3m+(m+7n)-(2m+5n)=

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Solution for 3m+(m+7n)-(2m+5n)= equation:


Simplifying
3m + (m + 7n) + -1(2m + 5n) = 0

Remove parenthesis around (m + 7n)
3m + m + 7n + -1(2m + 5n) = 0
3m + m + 7n + (2m * -1 + 5n * -1) = 0
3m + m + 7n + (-2m + -5n) = 0

Reorder the terms:
3m + m + -2m + 7n + -5n = 0

Combine like terms: 3m + m = 4m
4m + -2m + 7n + -5n = 0

Combine like terms: 4m + -2m = 2m
2m + 7n + -5n = 0

Combine like terms: 7n + -5n = 2n
2m + 2n = 0

Solving
2m + 2n = 0

Solving for variable 'm'.

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

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

Combine like terms: 2n + -2n = 0
2m + 0 = 0 + -2n
2m = 0 + -2n
Remove the zero:
2m = -2n

Divide each side by '2'.
m = -1n

Simplifying
m = -1n

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