-20-4r=8

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Solution for -20-4r=8 equation: 


Simplifying
-20 + -4r = 8

Solving
-20 + -4r = 8

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 + -4r = 8 + 20

Combine like terms: -20 + 20 = 0
0 + -4r = 8 + 20
-4r = 8 + 20

Combine like terms: 8 + 20 = 28
-4r = 28

Divide each side by '-4'.
r = -7

Simplifying
r = -7

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