6+18r-18=4+30r

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Solution for 6+18r-18=4+30r equation: 


Simplifying
6 + 18r + -18 = 4 + 30r

Reorder the terms:
6 + -18 + 18r = 4 + 30r

Combine like terms: 6 + -18 = -12
-12 + 18r = 4 + 30r

Solving
-12 + 18r = 4 + 30r

Solving for variable 'r'.

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

Add '-30r' to each side of the equation.
-12 + 18r + -30r = 4 + 30r + -30r

Combine like terms: 18r + -30r = -12r
-12 + -12r = 4 + 30r + -30r

Combine like terms: 30r + -30r = 0
-12 + -12r = 4 + 0
-12 + -12r = 4

Add '12' to each side of the equation.
-12 + 12 + -12r = 4 + 12

Combine like terms: -12 + 12 = 0
0 + -12r = 4 + 12
-12r = 4 + 12

Combine like terms: 4 + 12 = 16
-12r = 16

Divide each side by '-12'.
r = -1.333333333

Simplifying
r = -1.333333333

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