-r+2(r-6)=

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

Simplifying
-1r + 2(r + -6) = 0

Reorder the terms:
-1r + 2(-6 + r) = 0
-1r + (-6 * 2 + r * 2) = 0
-1r + (-12 + 2r) = 0

Reorder the terms:
-12 + -1r + 2r = 0

Combine like terms: -1r + 2r = 1r
-12 + 1r = 0

Solving
-12 + 1r = 0

Solving for variable 'r'.

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

Add '12' to each side of the equation.
-12 + 12 + 1r = 0 + 12

Combine like terms: -12 + 12 = 0
0 + 1r = 0 + 12
1r = 0 + 12

Combine like terms: 0 + 12 = 12
1r = 12

Divide each side by '1'.
r = 12

Simplifying
r = 12