m-(-20)=31

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Solution for m-(-20)=31 equation: 


Simplifying
m + -1(-20) = 31

Multiply -1 * -20
m + 20 = 31

Reorder the terms:
20 + m = 31

Solving
20 + m = 31

Solving for variable 'm'.

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

Add '-20' to each side of the equation.
20 + -20 + m = 31 + -20

Combine like terms: 20 + -20 = 0
0 + m = 31 + -20
m = 31 + -20

Combine like terms: 31 + -20 = 11
m = 11

Simplifying
m = 11

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