-(1-r)-1=

Solution for -(1-r)-1= equation:

Simplifying
-1(1 + -1r) + -1 = 0
(1 * -1 + -1r * -1) + -1 = 0
(-1 + 1r) + -1 = 0

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

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

Solving
-2 + 1r = 0

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 + 1r = 0 + 2

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

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

Divide each side by '1'.
r = 2

Simplifying
r = 2