6r+12=18r-108

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Solution for 6r+12=18r-108 equation:


Simplifying
6r + 12 = 18r + -108

Reorder the terms:
12 + 6r = 18r + -108

Reorder the terms:
12 + 6r = -108 + 18r

Solving
12 + 6r = -108 + 18r

Solving for variable 'r'.

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

Add '-18r' to each side of the equation.
12 + 6r + -18r = -108 + 18r + -18r

Combine like terms: 6r + -18r = -12r
12 + -12r = -108 + 18r + -18r

Combine like terms: 18r + -18r = 0
12 + -12r = -108 + 0
12 + -12r = -108

Add '-12' to each side of the equation.
12 + -12 + -12r = -108 + -12

Combine like terms: 12 + -12 = 0
0 + -12r = -108 + -12
-12r = -108 + -12

Combine like terms: -108 + -12 = -120
-12r = -120

Divide each side by '-12'.
r = 10

Simplifying
r = 10

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