R-20=-2

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Solution for R-20=-2 equation: 


Simplifying
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 = 18
R = 18

Simplifying
R = 18

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