r+(-20)=2

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Solution for r+(-20)=2 equation: 


Simplifying
r + (-20) = 2
r + -20 = 2

Reorder the terms:
-20 + r = 2

Solving
-20 + r = 2

Solving for variable 'r'.

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

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

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

Combine like terms: 2 + 20 = 22
r = 22

Simplifying
r = 22

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