12r-8=13r+18

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Solution for 12r-8=13r+18 equation:


Simplifying
12r + -8 = 13r + 18

Reorder the terms:
-8 + 12r = 13r + 18

Reorder the terms:
-8 + 12r = 18 + 13r

Solving
-8 + 12r = 18 + 13r

Solving for variable 'r'.

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

Add '-13r' to each side of the equation.
-8 + 12r + -13r = 18 + 13r + -13r

Combine like terms: 12r + -13r = -1r
-8 + -1r = 18 + 13r + -13r

Combine like terms: 13r + -13r = 0
-8 + -1r = 18 + 0
-8 + -1r = 18

Add '8' to each side of the equation.
-8 + 8 + -1r = 18 + 8

Combine like terms: -8 + 8 = 0
0 + -1r = 18 + 8
-1r = 18 + 8

Combine like terms: 18 + 8 = 26
-1r = 26

Divide each side by '-1'.
r = -26

Simplifying
r = -26

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