20=5-m

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Solution for 20=5-m equation:


Simplifying
20 = 5 + -1m

Solving
20 = 5 + -1m

Solving for variable 'm'.

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

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

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

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

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

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

Simplifying
m = -15

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