5+2+m=20

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Solution for 5+2+m=20 equation: 


Simplifying
5 + 2 + m = 20

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

Solving
7 + m = 20

Solving for variable 'm'.

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

Add '-7' to each side of the equation.
7 + -7 + m = 20 + -7

Combine like terms: 7 + -7 = 0
0 + m = 20 + -7
m = 20 + -7

Combine like terms: 20 + -7 = 13
m = 13

Simplifying
m = 13

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