-2(18r-8)=-20

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Solution for -2(18r-8)=-20 equation: 


Simplifying
-2(18r + -8) = -20

Reorder the terms:
-2(-8 + 18r) = -20
(-8 * -2 + 18r * -2) = -20
(16 + -36r) = -20

Solving
16 + -36r = -20

Solving for variable 'r'.

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

Add '-16' to each side of the equation.
16 + -16 + -36r = -20 + -16

Combine like terms: 16 + -16 = 0
0 + -36r = -20 + -16
-36r = -20 + -16

Combine like terms: -20 + -16 = -36
-36r = -36

Divide each side by '-36'.
r = 1

Simplifying
r = 1

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