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

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


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

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

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

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

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

Solving
-4m + -4n = 0

Solving for variable 'm'.

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

Add '4n' to each side of the equation.
-4m + -4n + 4n = 0 + 4n

Combine like terms: -4n + 4n = 0
-4m + 0 = 0 + 4n
-4m = 0 + 4n
Remove the zero:
-4m = 4n

Divide each side by '-4'.
m = -1n

Simplifying
m = -1n

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