m+7-5=20

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Solution for m+7-5=20 equation: 


Simplifying
m + 7 + -5 = 20

Reorder the terms:
7 + -5 + m = 20

Combine like terms: 7 + -5 = 2
2 + m = 20

Solving
2 + m = 20

Solving for variable 'm'.

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

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

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

Combine like terms: 20 + -2 = 18
m = 18

Simplifying
m = 18

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