4(5r+2)=-16+8r

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Solution for 4(5r+2)=-16+8r equation:


Simplifying
4(5r + 2) = -16 + 8r

Reorder the terms:
4(2 + 5r) = -16 + 8r
(2 * 4 + 5r * 4) = -16 + 8r
(8 + 20r) = -16 + 8r

Solving
8 + 20r = -16 + 8r

Solving for variable 'r'.

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

Add '-8r' to each side of the equation.
8 + 20r + -8r = -16 + 8r + -8r

Combine like terms: 20r + -8r = 12r
8 + 12r = -16 + 8r + -8r

Combine like terms: 8r + -8r = 0
8 + 12r = -16 + 0
8 + 12r = -16

Add '-8' to each side of the equation.
8 + -8 + 12r = -16 + -8

Combine like terms: 8 + -8 = 0
0 + 12r = -16 + -8
12r = -16 + -8

Combine like terms: -16 + -8 = -24
12r = -24

Divide each side by '12'.
r = -2

Simplifying
r = -2

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