-8(r-2)=40

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Solution for -8(r-2)=40 equation: 


Simplifying
-8(r + -2) = 40

Reorder the terms:
-8(-2 + r) = 40
(-2 * -8 + r * -8) = 40
(16 + -8r) = 40

Solving
16 + -8r = 40

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 + -8r = 40 + -16

Combine like terms: 16 + -16 = 0
0 + -8r = 40 + -16
-8r = 40 + -16

Combine like terms: 40 + -16 = 24
-8r = 24

Divide each side by '-8'.
r = -3

Simplifying
r = -3

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