10+5m-7-8m=-15

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Solution for 10+5m-7-8m=-15 equation:


Simplifying
10 + 5m + -7 + -8m = -15

Reorder the terms:
10 + -7 + 5m + -8m = -15

Combine like terms: 10 + -7 = 3
3 + 5m + -8m = -15

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

Solving
3 + -3m = -15

Solving for variable 'm'.

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

Add '-3' to each side of the equation.
3 + -3 + -3m = -15 + -3

Combine like terms: 3 + -3 = 0
0 + -3m = -15 + -3
-3m = -15 + -3

Combine like terms: -15 + -3 = -18
-3m = -18

Divide each side by '-3'.
m = 6

Simplifying
m = 6

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