-8r-2=40

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Solution for -8r-2=40 equation: 


Simplifying
-8r + -2 = 40

Reorder the terms:
-2 + -8r = 40

Solving
-2 + -8r = 40

Solving for variable 'r'.

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

Add '2' to each side of the equation.
-2 + 2 + -8r = 40 + 2

Combine like terms: -2 + 2 = 0
0 + -8r = 40 + 2
-8r = 40 + 2

Combine like terms: 40 + 2 = 42
-8r = 42

Divide each side by '-8'.
r = -5.25

Simplifying
r = -5.25

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