18+8r=2(6r+3)

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Solution for 18+8r=2(6r+3) equation:


Simplifying
18 + 8r = 2(6r + 3)

Reorder the terms:
18 + 8r = 2(3 + 6r)
18 + 8r = (3 * 2 + 6r * 2)
18 + 8r = (6 + 12r)

Solving
18 + 8r = 6 + 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.
18 + 8r + -12r = 6 + 12r + -12r

Combine like terms: 8r + -12r = -4r
18 + -4r = 6 + 12r + -12r

Combine like terms: 12r + -12r = 0
18 + -4r = 6 + 0
18 + -4r = 6

Add '-18' to each side of the equation.
18 + -18 + -4r = 6 + -18

Combine like terms: 18 + -18 = 0
0 + -4r = 6 + -18
-4r = 6 + -18

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

Divide each side by '-4'.
r = 3

Simplifying
r = 3

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