8-8m=9-7m

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Solution for 8-8m=9-7m equation:


Simplifying
8 + -8m = 9 + -7m

Solving
8 + -8m = 9 + -7m

Solving for variable 'm'.

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

Add '7m' to each side of the equation.
8 + -8m + 7m = 9 + -7m + 7m

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

Combine like terms: -7m + 7m = 0
8 + -1m = 9 + 0
8 + -1m = 9

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

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

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

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

Simplifying
m = -1

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