-4(-8+3r)=128

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Solution for -4(-8+3r)=128 equation: 


Simplifying
-4(-8 + 3r) = 128
(-8 * -4 + 3r * -4) = 128
(32 + -12r) = 128

Solving
32 + -12r = 128

Solving for variable 'r'.

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

Add '-32' to each side of the equation.
32 + -32 + -12r = 128 + -32

Combine like terms: 32 + -32 = 0
0 + -12r = 128 + -32
-12r = 128 + -32

Combine like terms: 128 + -32 = 96
-12r = 96

Divide each side by '-12'.
r = -8

Simplifying
r = -8

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