8=(-5r)+18

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Solution for 8=(-5r)+18 equation:


Simplifying
8 = (-5r) + 18

Reorder the terms:
8 = 18 + (-5r)

Solving
8 = 18 + (-5r)

Solving for variable 'r'.

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

Add '(5r)' to each side of the equation.
8 + (5r) = 18 + (-5r) + (5r)

Combine like terms: (-5r) + (5r) = 0
8 + (5r) = 18 + 0
8 + (5r) = 18

Add '-8' to each side of the equation.
8 + -8 + (5r) = 18 + -8

Combine like terms: 8 + -8 = 0
0 + (5r) = 18 + -8
(5r) = 18 + -8

Combine like terms: 18 + -8 = 10
(5r) = 10

Divide each side by '5'.
r = 2

Simplifying
r = 2

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