-3m+8=-7

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Solution for -3m+8=-7 equation: 


Simplifying
-3m + 8 = -7

Reorder the terms:
8 + -3m = -7

Solving
8 + -3m = -7

Solving for variable 'm'.

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

Add '-8' to each side of the equation.
8 + -8 + -3m = -7 + -8

Combine like terms: 8 + -8 = 0
0 + -3m = -7 + -8
-3m = -7 + -8

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

Divide each side by '-3'.
m = 5

Simplifying
m = 5

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