5(8-3r)=85

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Solution for 5(8-3r)=85 equation: 


Simplifying
5(8 + -3r) = 85
(8 * 5 + -3r * 5) = 85
(40 + -15r) = 85

Solving
40 + -15r = 85

Solving for variable 'r'.

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

Add '-40' to each side of the equation.
40 + -40 + -15r = 85 + -40

Combine like terms: 40 + -40 = 0
0 + -15r = 85 + -40
-15r = 85 + -40

Combine like terms: 85 + -40 = 45
-15r = 45

Divide each side by '-15'.
r = -3

Simplifying
r = -3

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