8(3+r)=4r-4

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


Simplifying
8(3 + r) = 4r + -4
(3 * 8 + r * 8) = 4r + -4
(24 + 8r) = 4r + -4

Reorder the terms:
24 + 8r = -4 + 4r

Solving
24 + 8r = -4 + 4r

Solving for variable 'r'.

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

Add '-4r' to each side of the equation.
24 + 8r + -4r = -4 + 4r + -4r

Combine like terms: 8r + -4r = 4r
24 + 4r = -4 + 4r + -4r

Combine like terms: 4r + -4r = 0
24 + 4r = -4 + 0
24 + 4r = -4

Add '-24' to each side of the equation.
24 + -24 + 4r = -4 + -24

Combine like terms: 24 + -24 = 0
0 + 4r = -4 + -24
4r = -4 + -24

Combine like terms: -4 + -24 = -28
4r = -28

Divide each side by '4'.
r = -7

Simplifying
r = -7

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