7r-11r-18r+8r-3r=-20

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Solution for 7r-11r-18r+8r-3r=-20 equation: 


Simplifying
7r + -11r + -18r + 8r + -3r = -20

Combine like terms: 7r + -11r = -4r
-4r + -18r + 8r + -3r = -20

Combine like terms: -4r + -18r = -22r
-22r + 8r + -3r = -20

Combine like terms: -22r + 8r = -14r
-14r + -3r = -20

Combine like terms: -14r + -3r = -17r
-17r = -20

Solving
-17r = -20

Solving for variable 'r'.

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

Divide each side by '-17'.
r = 1.176470588

Simplifying
r = 1.176470588

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