8=7m-1+2m

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Solution for 8=7m-1+2m equation:


Simplifying
8 = 7m + -1 + 2m

Reorder the terms:
8 = -1 + 7m + 2m

Combine like terms: 7m + 2m = 9m
8 = -1 + 9m

Solving
8 = -1 + 9m

Solving for variable 'm'.

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

Add '-9m' to each side of the equation.
8 + -9m = -1 + 9m + -9m

Combine like terms: 9m + -9m = 0
8 + -9m = -1 + 0
8 + -9m = -1

Add '-8' to each side of the equation.
8 + -8 + -9m = -1 + -8

Combine like terms: 8 + -8 = 0
0 + -9m = -1 + -8
-9m = -1 + -8

Combine like terms: -1 + -8 = -9
-9m = -9

Divide each side by '-9'.
m = 1

Simplifying
m = 1

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