-111+2r=20

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Solution for -111+2r=20 equation: 


Simplifying
-111 + 2r = 20

Solving
-111 + 2r = 20

Solving for variable 'r'.

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

Add '111' to each side of the equation.
-111 + 111 + 2r = 20 + 111

Combine like terms: -111 + 111 = 0
0 + 2r = 20 + 111
2r = 20 + 111

Combine like terms: 20 + 111 = 131
2r = 131

Divide each side by '2'.
r = 65.5

Simplifying
r = 65.5

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