4(6r+3)=20r-8

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Solution for 4(6r+3)=20r-8 equation:


Simplifying
4(6r + 3) = 20r + -8

Reorder the terms:
4(3 + 6r) = 20r + -8
(3 * 4 + 6r * 4) = 20r + -8
(12 + 24r) = 20r + -8

Reorder the terms:
12 + 24r = -8 + 20r

Solving
12 + 24r = -8 + 20r

Solving for variable 'r'.

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

Add '-20r' to each side of the equation.
12 + 24r + -20r = -8 + 20r + -20r

Combine like terms: 24r + -20r = 4r
12 + 4r = -8 + 20r + -20r

Combine like terms: 20r + -20r = 0
12 + 4r = -8 + 0
12 + 4r = -8

Add '-12' to each side of the equation.
12 + -12 + 4r = -8 + -12

Combine like terms: 12 + -12 = 0
0 + 4r = -8 + -12
4r = -8 + -12

Combine like terms: -8 + -12 = -20
4r = -20

Divide each side by '4'.
r = -5

Simplifying
r = -5

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