11=-r-11

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Solution for 11=-r-11 equation: 


Simplifying
11 = -1r + -11

Reorder the terms:
11 = -11 + -1r

Solving
11 = -11 + -1r

Solving for variable 'r'.

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

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

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

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

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

Combine like terms: -11 + -11 = -22
r = -22

Simplifying
r = -22

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