-2r-2(8-6r)=86

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Solution for -2r-2(8-6r)=86 equation:


Simplifying
-2r + -2(8 + -6r) = 86
-2r + (8 * -2 + -6r * -2) = 86
-2r + (-16 + 12r) = 86

Reorder the terms:
-16 + -2r + 12r = 86

Combine like terms: -2r + 12r = 10r
-16 + 10r = 86

Solving
-16 + 10r = 86

Solving for variable 'r'.

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

Add '16' to each side of the equation.
-16 + 16 + 10r = 86 + 16

Combine like terms: -16 + 16 = 0
0 + 10r = 86 + 16
10r = 86 + 16

Combine like terms: 86 + 16 = 102
10r = 102

Divide each side by '10'.
r = 10.2

Simplifying
r = 10.2

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