5(3r-8)=-85

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


Simplifying
5(3r + -8) = -85

Reorder the terms:
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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