-(-1+r)=11

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Solution for -(-1+r)=11 equation:


Simplifying
-1(-1 + r) = 11
(-1 * -1 + r * -1) = 11
(1 + -1r) = 11

Solving
1 + -1r = 11

Solving for variable 'r'.

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

Add '-1' to each side of the equation.
1 + -1 + -1r = 11 + -1

Combine like terms: 1 + -1 = 0
0 + -1r = 11 + -1
-1r = 11 + -1

Combine like terms: 11 + -1 = 10
-1r = 10

Divide each side by '-1'.
r = -10

Simplifying
r = -10

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