2(5m-4n)-(3m-7n)=

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Solution for 2(5m-4n)-(3m-7n)= equation:


Simplifying
2(5m + -4n) + -1(3m + -7n) = 0
(5m * 2 + -4n * 2) + -1(3m + -7n) = 0
(10m + -8n) + -1(3m + -7n) = 0
10m + -8n + (3m * -1 + -7n * -1) = 0
10m + -8n + (-3m + 7n) = 0

Reorder the terms:
10m + -3m + -8n + 7n = 0

Combine like terms: 10m + -3m = 7m
7m + -8n + 7n = 0

Combine like terms: -8n + 7n = -1n
7m + -1n = 0

Solving
7m + -1n = 0

Solving for variable 'm'.

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

Add 'n' to each side of the equation.
7m + -1n + n = 0 + n

Combine like terms: -1n + n = 0
7m + 0 = 0 + n
7m = 0 + n
Remove the zero:
7m = n

Divide each side by '7'.
m = 0.1428571429n

Simplifying
m = 0.1428571429n

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