3+9+-5+12+-9+-11=

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Solution for 3+9+-5+12+-9+-11= equation: 


Simplifying
3 + 9 + -5 + 12 + -9 + -11 = 0

Combine like terms: 3 + 9 = 12
12 + -5 + 12 + -9 + -11 = 0

Combine like terms: 12 + -5 = 7
7 + 12 + -9 + -11 = 0

Combine like terms: 7 + 12 = 19
19 + -9 + -11 = 0

Combine like terms: 19 + -9 = 10
10 + -11 = 0

Combine like terms: 10 + -11 = -1
-1 = 0

Solving
-1 = 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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