-m-3m=-7+3m

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Solution for -m-3m=-7+3m equation: 


Simplifying
-1m + -3m = -7 + 3m

Combine like terms: -1m + -3m = -4m
-4m = -7 + 3m

Solving
-4m = -7 + 3m

Solving for variable 'm'.

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

Add '-3m' to each side of the equation.
-4m + -3m = -7 + 3m + -3m

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

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

Divide each side by '-7'.
m = 1

Simplifying
m = 1

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