4(3r+18)=12(4r-48)

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Solution for 4(3r+18)=12(4r-48) equation:


Simplifying
4(3r + 18) = 12(4r + -48)

Reorder the terms:
4(18 + 3r) = 12(4r + -48)
(18 * 4 + 3r * 4) = 12(4r + -48)
(72 + 12r) = 12(4r + -48)

Reorder the terms:
72 + 12r = 12(-48 + 4r)
72 + 12r = (-48 * 12 + 4r * 12)
72 + 12r = (-576 + 48r)

Solving
72 + 12r = -576 + 48r

Solving for variable 'r'.

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

Add '-48r' to each side of the equation.
72 + 12r + -48r = -576 + 48r + -48r

Combine like terms: 12r + -48r = -36r
72 + -36r = -576 + 48r + -48r

Combine like terms: 48r + -48r = 0
72 + -36r = -576 + 0
72 + -36r = -576

Add '-72' to each side of the equation.
72 + -72 + -36r = -576 + -72

Combine like terms: 72 + -72 = 0
0 + -36r = -576 + -72
-36r = -576 + -72

Combine like terms: -576 + -72 = -648
-36r = -648

Divide each side by '-36'.
r = 18

Simplifying
r = 18

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