-108=-4(5r-3)

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Solution for -108=-4(5r-3) equation:


Simplifying
-108 = -4(5r + -3)

Reorder the terms:
-108 = -4(-3 + 5r)
-108 = (-3 * -4 + 5r * -4)
-108 = (12 + -20r)

Solving
-108 = 12 + -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.
-108 + 20r = 12 + -20r + 20r

Combine like terms: -20r + 20r = 0
-108 + 20r = 12 + 0
-108 + 20r = 12

Add '108' to each side of the equation.
-108 + 108 + 20r = 12 + 108

Combine like terms: -108 + 108 = 0
0 + 20r = 12 + 108
20r = 12 + 108

Combine like terms: 12 + 108 = 120
20r = 120

Divide each side by '20'.
r = 6

Simplifying
r = 6

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