8+4r=120

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Solution for 8+4r=120 equation: 


Simplifying
8 + 4r = 120

Solving
8 + 4r = 120

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 + 4r = 120 + -8

Combine like terms: 8 + -8 = 0
0 + 4r = 120 + -8
4r = 120 + -8

Combine like terms: 120 + -8 = 112
4r = 112

Divide each side by '4'.
r = 28

Simplifying
r = 28

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