-8r-r-17r-20r+r+-20=5

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Solution for -8r-r-17r-20r+r+-20=5 equation:


Simplifying
-8r + -1r + -17r + -20r + r + -20 = 5

Reorder the terms:
-20 + -8r + -1r + -17r + -20r + r = 5

Combine like terms: -8r + -1r = -9r
-20 + -9r + -17r + -20r + r = 5

Combine like terms: -9r + -17r = -26r
-20 + -26r + -20r + r = 5

Combine like terms: -26r + -20r = -46r
-20 + -46r + r = 5

Combine like terms: -46r + r = -45r
-20 + -45r = 5

Solving
-20 + -45r = 5

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 + -45r = 5 + 20

Combine like terms: -20 + 20 = 0
0 + -45r = 5 + 20
-45r = 5 + 20

Combine like terms: 5 + 20 = 25
-45r = 25

Divide each side by '-45'.
r = -0.5555555556

Simplifying
r = -0.5555555556

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