-2(1-7r)=-86

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Solution for -2(1-7r)=-86 equation: 


Simplifying
-2(1 + -7r) = -86
(1 * -2 + -7r * -2) = -86
(-2 + 14r) = -86

Solving
-2 + 14r = -86

Solving for variable 'r'.

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

Add '2' to each side of the equation.
-2 + 2 + 14r = -86 + 2

Combine like terms: -2 + 2 = 0
0 + 14r = -86 + 2
14r = -86 + 2

Combine like terms: -86 + 2 = -84
14r = -84

Divide each side by '14'.
r = -6

Simplifying
r = -6

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