-8(r-2)=4(1-r)

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Solution for -8(r-2)=4(1-r) equation: 


Simplifying
-8(r + -2) = 4(1 + -1r)

Reorder the terms:
-8(-2 + r) = 4(1 + -1r)
(-2 * -8 + r * -8) = 4(1 + -1r)
(16 + -8r) = 4(1 + -1r)
16 + -8r = (1 * 4 + -1r * 4)
16 + -8r = (4 + -4r)

Solving
16 + -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.
16 + -8r + 4r = 4 + -4r + 4r

Combine like terms: -8r + 4r = -4r
16 + -4r = 4 + -4r + 4r

Combine like terms: -4r + 4r = 0
16 + -4r = 4 + 0
16 + -4r = 4

Add '-16' to each side of the equation.
16 + -16 + -4r = 4 + -16

Combine like terms: 16 + -16 = 0
0 + -4r = 4 + -16
-4r = 4 + -16

Combine like terms: 4 + -16 = -12
-4r = -12

Divide each side by '-4'.
r = 3

Simplifying
r = 3

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