12r-18=r+18

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


Simplifying
12r + -18 = r + 18

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

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

Solving
-18 + 12r = 18 + r

Solving for variable 'r'.

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

Add '-1r' to each side of the equation.
-18 + 12r + -1r = 18 + r + -1r

Combine like terms: 12r + -1r = 11r
-18 + 11r = 18 + r + -1r

Combine like terms: r + -1r = 0
-18 + 11r = 18 + 0
-18 + 11r = 18

Add '18' to each side of the equation.
-18 + 18 + 11r = 18 + 18

Combine like terms: -18 + 18 = 0
0 + 11r = 18 + 18
11r = 18 + 18

Combine like terms: 18 + 18 = 36
11r = 36

Divide each side by '11'.
r = 3.272727273

Simplifying
r = 3.272727273

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