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

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


Simplifying
-2(8 + 2r) = 4(r + 8)
(8 * -2 + 2r * -2) = 4(r + 8)
(-16 + -4r) = 4(r + 8)

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

Solving
-16 + -4r = 32 + 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 + -4r + -4r = 32 + 4r + -4r

Combine like terms: -4r + -4r = -8r
-16 + -8r = 32 + 4r + -4r

Combine like terms: 4r + -4r = 0
-16 + -8r = 32 + 0
-16 + -8r = 32

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

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

Combine like terms: 32 + 16 = 48
-8r = 48

Divide each side by '-8'.
r = -6

Simplifying
r = -6

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