3m-5=7m+m-15

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


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

Reorder the terms:
-5 + 3m = 7m + m + -15

Reorder the terms:
-5 + 3m = -15 + 7m + m

Combine like terms: 7m + m = 8m
-5 + 3m = -15 + 8m

Solving
-5 + 3m = -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.
-5 + 3m + -8m = -15 + 8m + -8m

Combine like terms: 3m + -8m = -5m
-5 + -5m = -15 + 8m + -8m

Combine like terms: 8m + -8m = 0
-5 + -5m = -15 + 0
-5 + -5m = -15

Add '5' to each side of the equation.
-5 + 5 + -5m = -15 + 5

Combine like terms: -5 + 5 = 0
0 + -5m = -15 + 5
-5m = -15 + 5

Combine like terms: -15 + 5 = -10
-5m = -10

Divide each side by '-5'.
m = 2

Simplifying
m = 2

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