3(3r+6)=2(3r-6)

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


Simplifying
3(3r + 6) = 2(3r + -6)

Reorder the terms:
3(6 + 3r) = 2(3r + -6)
(6 * 3 + 3r * 3) = 2(3r + -6)
(18 + 9r) = 2(3r + -6)

Reorder the terms:
18 + 9r = 2(-6 + 3r)
18 + 9r = (-6 * 2 + 3r * 2)
18 + 9r = (-12 + 6r)

Solving
18 + 9r = -12 + 6r

Solving for variable 'r'.

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

Add '-6r' to each side of the equation.
18 + 9r + -6r = -12 + 6r + -6r

Combine like terms: 9r + -6r = 3r
18 + 3r = -12 + 6r + -6r

Combine like terms: 6r + -6r = 0
18 + 3r = -12 + 0
18 + 3r = -12

Add '-18' to each side of the equation.
18 + -18 + 3r = -12 + -18

Combine like terms: 18 + -18 = 0
0 + 3r = -12 + -18
3r = -12 + -18

Combine like terms: -12 + -18 = -30
3r = -30

Divide each side by '3'.
r = -10

Simplifying
r = -10

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