9-(-2)=11

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Solution for 9-(-2)=11 equation: 


Simplifying
9 + -1(-2) = 11

Multiply -1 * -2
9 + 2 = 11

Combine like terms: 9 + 2 = 11
11 = 11

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

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

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

Solving
0 = 0

Couldn't find a variable to solve for.

This equation is an identity, all real numbers are solutions.

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