2(4r+12)=8(2r-4)

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Solution for 2(4r+12)=8(2r-4) equation:


Simplifying
2(4r + 12) = 8(2r + -4)

Reorder the terms:
2(12 + 4r) = 8(2r + -4)
(12 * 2 + 4r * 2) = 8(2r + -4)
(24 + 8r) = 8(2r + -4)

Reorder the terms:
24 + 8r = 8(-4 + 2r)
24 + 8r = (-4 * 8 + 2r * 8)
24 + 8r = (-32 + 16r)

Solving
24 + 8r = -32 + 16r

Solving for variable 'r'.

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

Add '-16r' to each side of the equation.
24 + 8r + -16r = -32 + 16r + -16r

Combine like terms: 8r + -16r = -8r
24 + -8r = -32 + 16r + -16r

Combine like terms: 16r + -16r = 0
24 + -8r = -32 + 0
24 + -8r = -32

Add '-24' to each side of the equation.
24 + -24 + -8r = -32 + -24

Combine like terms: 24 + -24 = 0
0 + -8r = -32 + -24
-8r = -32 + -24

Combine like terms: -32 + -24 = -56
-8r = -56

Divide each side by '-8'.
r = 7

Simplifying
r = 7

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