15=m+20

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Solution for 15=m+20 equation:


Simplifying
15 = m + 20

Reorder the terms:
15 = 20 + m

Solving
15 = 20 + m

Solving for variable 'm'.

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

Add '-1m' to each side of the equation.
15 + -1m = 20 + m + -1m

Combine like terms: m + -1m = 0
15 + -1m = 20 + 0
15 + -1m = 20

Add '-15' to each side of the equation.
15 + -15 + -1m = 20 + -15

Combine like terms: 15 + -15 = 0
0 + -1m = 20 + -15
-1m = 20 + -15

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

Divide each side by '-1'.
m = -5

Simplifying
m = -5

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