m+(-2)=18

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Solution for m+(-2)=18 equation: 


Simplifying
m + (-2) = 18
m + -2 = 18

Reorder the terms:
-2 + m = 18

Solving
-2 + m = 18

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 = 18 + 2

Combine like terms: -2 + 2 = 0
0 + m = 18 + 2
m = 18 + 2

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

Simplifying
m = 20

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