(-13)-2-(-9)=

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Solution for (-13)-2-(-9)= equation: 


Simplifying
(-13) + -2 + -1(-9) = 0
-13 + -2 + -1(-9) = 0

Multiply -1 * -9
-13 + -2 + 9 = 0

Combine like terms: -13 + -2 = -15
-15 + 9 = 0

Combine like terms: -15 + 9 = -6
-6 = 0

Solving
-6 = 0

Couldn't find a variable to solve for.

This equation is invalid, the left and right sides are not equal, therefore there is no solution.

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