-90=8-7m

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Solution for -90=8-7m equation:


Simplifying
-90 = 8 + -7m

Solving
-90 = 8 + -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.
-90 + 7m = 8 + -7m + 7m

Combine like terms: -7m + 7m = 0
-90 + 7m = 8 + 0
-90 + 7m = 8

Add '90' to each side of the equation.
-90 + 90 + 7m = 8 + 90

Combine like terms: -90 + 90 = 0
0 + 7m = 8 + 90
7m = 8 + 90

Combine like terms: 8 + 90 = 98
7m = 98

Divide each side by '7'.
m = 14

Simplifying
m = 14

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