8+2r=30

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Solution for 8+2r=30 equation: 


Simplifying
8 + 2r = 30

Solving
8 + 2r = 30

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 = 30 + -8

Combine like terms: 8 + -8 = 0
0 + 2r = 30 + -8
2r = 30 + -8

Combine like terms: 30 + -8 = 22
2r = 22

Divide each side by '2'.
r = 11

Simplifying
r = 11

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