2(4r+6)=12r+18

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Solution for 2(4r+6)=12r+18 equation:


Simplifying
2(4r + 6) = 12r + 18

Reorder the terms:
2(6 + 4r) = 12r + 18
(6 * 2 + 4r * 2) = 12r + 18
(12 + 8r) = 12r + 18

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

Solving
12 + 8r = 18 + 12r

Solving for variable 'r'.

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

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

Combine like terms: 8r + -12r = -4r
12 + -4r = 18 + 12r + -12r

Combine like terms: 12r + -12r = 0
12 + -4r = 18 + 0
12 + -4r = 18

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

Combine like terms: 12 + -12 = 0
0 + -4r = 18 + -12
-4r = 18 + -12

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

Divide each side by '-4'.
r = -1.5

Simplifying
r = -1.5

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