-2(-8r+4)-5r=-85

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Solution for -2(-8r+4)-5r=-85 equation:


Simplifying
-2(-8r + 4) + -5r = -85

Reorder the terms:
-2(4 + -8r) + -5r = -85
(4 * -2 + -8r * -2) + -5r = -85
(-8 + 16r) + -5r = -85

Combine like terms: 16r + -5r = 11r
-8 + 11r = -85

Solving
-8 + 11r = -85

Solving for variable 'r'.

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

Add '8' to each side of the equation.
-8 + 8 + 11r = -85 + 8

Combine like terms: -8 + 8 = 0
0 + 11r = -85 + 8
11r = -85 + 8

Combine like terms: -85 + 8 = -77
11r = -77

Divide each side by '11'.
r = -7

Simplifying
r = -7

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