-2(-6+6r)-1=31-2r

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Solution for -2(-6+6r)-1=31-2r equation: 


Simplifying
-2(-6 + 6r) + -1 = 31 + -2r
(-6 * -2 + 6r * -2) + -1 = 31 + -2r
(12 + -12r) + -1 = 31 + -2r

Reorder the terms:
12 + -1 + -12r = 31 + -2r

Combine like terms: 12 + -1 = 11
11 + -12r = 31 + -2r

Solving
11 + -12r = 31 + -2r

Solving for variable 'r'.

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

Add '2r' to each side of the equation.
11 + -12r + 2r = 31 + -2r + 2r

Combine like terms: -12r + 2r = -10r
11 + -10r = 31 + -2r + 2r

Combine like terms: -2r + 2r = 0
11 + -10r = 31 + 0
11 + -10r = 31

Add '-11' to each side of the equation.
11 + -11 + -10r = 31 + -11

Combine like terms: 11 + -11 = 0
0 + -10r = 31 + -11
-10r = 31 + -11

Combine like terms: 31 + -11 = 20
-10r = 20

Divide each side by '-10'.
r = -2

Simplifying
r = -2

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