-5(r+8)=-89

Solution for -5(r+8)=-89 equation:

Simplifying
-5(r + 8) = -89

Reorder the terms:
-5(8 + r) = -89
(8 * -5 + r * -5) = -89
(-40 + -5r) = -89

Solving
-40 + -5r = -89

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 + -5r = -89 + 40

Combine like terms: -40 + 40 = 0
0 + -5r = -89 + 40
-5r = -89 + 40

Combine like terms: -89 + 40 = -49
-5r = -49

Divide each side by '-5'.
r = 9.8

Simplifying
r = 9.8