=8+(-20)+(-9)

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Solution for =8+(-20)+(-9) equation: 


Simplifying
0 = 8 + (-20) + (-9)
0 = 8 + -20 + (-9)
0 = 8 + -20 + -9

Combine like terms: 8 + -20 = -12
0 = -12 + -9

Combine like terms: -12 + -9 = -21
0 = -21

Solving
0 = -21

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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