5-m=20

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Solution for 5-m=20 equation: 


Simplifying
5 + -1m = 20

Solving
5 + -1m = 20

Solving for variable 'm'.

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

Add '-5' to each side of the equation.
5 + -5 + -1m = 20 + -5

Combine like terms: 5 + -5 = 0
0 + -1m = 20 + -5
-1m = 20 + -5

Combine like terms: 20 + -5 = 15
-1m = 15

Divide each side by '-1'.
m = -15

Simplifying
m = -15

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