-4(r-2)=-4(r-8)-8r

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


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

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

Reorder the terms:
8 + -4r = -4(-8 + r) + -8r
8 + -4r = (-8 * -4 + r * -4) + -8r
8 + -4r = (32 + -4r) + -8r

Combine like terms: -4r + -8r = -12r
8 + -4r = 32 + -12r

Solving
8 + -4r = 32 + -12r

Solving for variable 'r'.

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

Add '12r' to each side of the equation.
8 + -4r + 12r = 32 + -12r + 12r

Combine like terms: -4r + 12r = 8r
8 + 8r = 32 + -12r + 12r

Combine like terms: -12r + 12r = 0
8 + 8r = 32 + 0
8 + 8r = 32

Add '-8' to each side of the equation.
8 + -8 + 8r = 32 + -8

Combine like terms: 8 + -8 = 0
0 + 8r = 32 + -8
8r = 32 + -8

Combine like terms: 32 + -8 = 24
8r = 24

Divide each side by '8'.
r = 3

Simplifying
r = 3

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