-13r-8=18

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Solution for -13r-8=18 equation: 


Simplifying
-13r + -8 = 18

Reorder the terms:
-8 + -13r = 18

Solving
-8 + -13r = 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 + -13r = 18 + 8

Combine like terms: -8 + 8 = 0
0 + -13r = 18 + 8
-13r = 18 + 8

Combine like terms: 18 + 8 = 26
-13r = 26

Divide each side by '-13'.
r = -2

Simplifying
r = -2

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