-8+2r=28

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Solution for -8+2r=28 equation: 


Simplifying
-8 + 2r = 28

Solving
-8 + 2r = 28

Solving for variable 'r'.

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

Add '8' to each side of the equation.
-8 + 8 + 2r = 28 + 8

Combine like terms: -8 + 8 = 0
0 + 2r = 28 + 8
2r = 28 + 8

Combine like terms: 28 + 8 = 36
2r = 36

Divide each side by '2'.
r = 18

Simplifying
r = 18

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