(2m-n)-(m-7n)=

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


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

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

Reorder the terms:
2m + -1m + -1n + 7n = 0

Combine like terms: 2m + -1m = 1m
1m + -1n + 7n = 0

Combine like terms: -1n + 7n = 6n
1m + 6n = 0

Solving
1m + 6n = 0

Solving for variable 'm'.

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

Add '-6n' to each side of the equation.
1m + 6n + -6n = 0 + -6n

Combine like terms: 6n + -6n = 0
1m + 0 = 0 + -6n
1m = 0 + -6n
Remove the zero:
1m = -6n

Divide each side by '1'.
m = -6n

Simplifying
m = -6n

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