m-3m=4-15

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Solution for m-3m=4-15 equation: 


Simplifying
m + -3m = 4 + -15

Combine like terms: m + -3m = -2m
-2m = 4 + -15

Combine like terms: 4 + -15 = -11
-2m = -11

Solving
-2m = -11

Solving for variable 'm'.

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

Divide each side by '-2'.
m = 5.5

Simplifying
m = 5.5

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