-3-5(1-4r)=-108

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Solution for -3-5(1-4r)=-108 equation: 


Simplifying
-3 + -5(1 + -4r) = -108
-3 + (1 * -5 + -4r * -5) = -108
-3 + (-5 + 20r) = -108

Combine like terms: -3 + -5 = -8
-8 + 20r = -108

Solving
-8 + 20r = -108

Solving for variable 'r'.

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

Add '8' to each side of the equation.
-8 + 8 + 20r = -108 + 8

Combine like terms: -8 + 8 = 0
0 + 20r = -108 + 8
20r = -108 + 8

Combine like terms: -108 + 8 = -100
20r = -100

Divide each side by '20'.
r = -5

Simplifying
r = -5

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