-5r+8=18

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Solution for -5r+8=18 equation: 


Simplifying
-5r + 8 = 18

Reorder the terms:
8 + -5r = 18

Solving
8 + -5r = 18

Solving for variable 'r'.

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

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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