3m-5m=7m+m-15

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Solution for 3m-5m=7m+m-15 equation:


Simplifying
3m + -5m = 7m + m + -15

Combine like terms: 3m + -5m = -2m
-2m = 7m + m + -15

Reorder the terms:
-2m = -15 + 7m + m

Combine like terms: 7m + m = 8m
-2m = -15 + 8m

Solving
-2m = -15 + 8m

Solving for variable 'm'.

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

Add '-8m' to each side of the equation.
-2m + -8m = -15 + 8m + -8m

Combine like terms: -2m + -8m = -10m
-10m = -15 + 8m + -8m

Combine like terms: 8m + -8m = 0
-10m = -15 + 0
-10m = -15

Divide each side by '-10'.
m = 1.5

Simplifying
m = 1.5

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