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

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


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

Reorder the terms:
4(6 + 3r) = 9(4r + -8)
(6 * 4 + 3r * 4) = 9(4r + -8)
(24 + 12r) = 9(4r + -8)

Reorder the terms:
24 + 12r = 9(-8 + 4r)
24 + 12r = (-8 * 9 + 4r * 9)
24 + 12r = (-72 + 36r)

Solving
24 + 12r = -72 + 36r

Solving for variable 'r'.

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

Add '-36r' to each side of the equation.
24 + 12r + -36r = -72 + 36r + -36r

Combine like terms: 12r + -36r = -24r
24 + -24r = -72 + 36r + -36r

Combine like terms: 36r + -36r = 0
24 + -24r = -72 + 0
24 + -24r = -72

Add '-24' to each side of the equation.
24 + -24 + -24r = -72 + -24

Combine like terms: 24 + -24 = 0
0 + -24r = -72 + -24
-24r = -72 + -24

Combine like terms: -72 + -24 = -96
-24r = -96

Divide each side by '-24'.
r = 4

Simplifying
r = 4

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