8(3r+6)=9(2r-4)

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Solution for 8(3r+6)=9(2r-4) equation:


Simplifying
8(3r + 6) = 9(2r + -4)

Reorder the terms:
8(6 + 3r) = 9(2r + -4)
(6 * 8 + 3r * 8) = 9(2r + -4)
(48 + 24r) = 9(2r + -4)

Reorder the terms:
48 + 24r = 9(-4 + 2r)
48 + 24r = (-4 * 9 + 2r * 9)
48 + 24r = (-36 + 18r)

Solving
48 + 24r = -36 + 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.
48 + 24r + -18r = -36 + 18r + -18r

Combine like terms: 24r + -18r = 6r
48 + 6r = -36 + 18r + -18r

Combine like terms: 18r + -18r = 0
48 + 6r = -36 + 0
48 + 6r = -36

Add '-48' to each side of the equation.
48 + -48 + 6r = -36 + -48

Combine like terms: 48 + -48 = 0
0 + 6r = -36 + -48
6r = -36 + -48

Combine like terms: -36 + -48 = -84
6r = -84

Divide each side by '6'.
r = -14

Simplifying
r = -14

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