5x(r+8)=115

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Solution for 5x(r+8)=115 equation: 


Simplifying
5x(r + 8) = 115

Reorder the terms:
5x(8 + r) = 115
(8 * 5x + r * 5x) = 115

Reorder the terms:
(5rx + 40x) = 115
(5rx + 40x) = 115

Solving
5rx + 40x = 115

Solving for variable 'r'.

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

Add '-40x' to each side of the equation.
5rx + 40x + -40x = 115 + -40x

Combine like terms: 40x + -40x = 0
5rx + 0 = 115 + -40x
5rx = 115 + -40x

Divide each side by '5x'.
r = 23x-1 + -8

Simplifying
r = 23x-1 + -8

Reorder the terms:
r = -8 + 23x-1

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