130=-20m+90

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Solution for 130=-20m+90 equation:


Simplifying
130 = -20m + 90

Reorder the terms:
130 = 90 + -20m

Solving
130 = 90 + -20m

Solving for variable 'm'.

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

Add '20m' to each side of the equation.
130 + 20m = 90 + -20m + 20m

Combine like terms: -20m + 20m = 0
130 + 20m = 90 + 0
130 + 20m = 90

Add '-130' to each side of the equation.
130 + -130 + 20m = 90 + -130

Combine like terms: 130 + -130 = 0
0 + 20m = 90 + -130
20m = 90 + -130

Combine like terms: 90 + -130 = -40
20m = -40

Divide each side by '20'.
m = -2

Simplifying
m = -2

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