5r+8r-2r+5+8r-1-6r-8+7r=0

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Solution for 5r+8r-2r+5+8r-1-6r-8+7r=0 equation: 


Simplifying
5r + 8r + -2r + 5 + 8r + -1 + -6r + -8 + 7r = 0

Reorder the terms:
5 + -1 + -8 + 5r + 8r + -2r + 8r + -6r + 7r = 0

Combine like terms: 5 + -1 = 4
4 + -8 + 5r + 8r + -2r + 8r + -6r + 7r = 0

Combine like terms: 4 + -8 = -4
-4 + 5r + 8r + -2r + 8r + -6r + 7r = 0

Combine like terms: 5r + 8r = 13r
-4 + 13r + -2r + 8r + -6r + 7r = 0

Combine like terms: 13r + -2r = 11r
-4 + 11r + 8r + -6r + 7r = 0

Combine like terms: 11r + 8r = 19r
-4 + 19r + -6r + 7r = 0

Combine like terms: 19r + -6r = 13r
-4 + 13r + 7r = 0

Combine like terms: 13r + 7r = 20r
-4 + 20r = 0

Solving
-4 + 20r = 0

Solving for variable 'r'.

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

Add '4' to each side of the equation.
-4 + 4 + 20r = 0 + 4

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

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

Divide each side by '20'.
r = 0.2

Simplifying
r = 0.2

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