80=-2m+20

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Solution for 80=-2m+20 equation:


Simplifying
80 = -2m + 20

Reorder the terms:
80 = 20 + -2m

Solving
80 = 20 + -2m

Solving for variable 'm'.

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

Add '2m' to each side of the equation.
80 + 2m = 20 + -2m + 2m

Combine like terms: -2m + 2m = 0
80 + 2m = 20 + 0
80 + 2m = 20

Add '-80' to each side of the equation.
80 + -80 + 2m = 20 + -80

Combine like terms: 80 + -80 = 0
0 + 2m = 20 + -80
2m = 20 + -80

Combine like terms: 20 + -80 = -60
2m = -60

Divide each side by '2'.
m = -30

Simplifying
m = -30

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