-2(r+8)=-23

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Solution for -2(r+8)=-23 equation: 


Simplifying
-2(r + 8) = -23

Reorder the terms:
-2(8 + r) = -23
(8 * -2 + r * -2) = -23
(-16 + -2r) = -23

Solving
-16 + -2r = -23

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 + -2r = -23 + 16

Combine like terms: -16 + 16 = 0
0 + -2r = -23 + 16
-2r = -23 + 16

Combine like terms: -23 + 16 = -7
-2r = -7

Divide each side by '-2'.
r = 3.5

Simplifying
r = 3.5

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