16-8-21=

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Solution for 16-8-21= equation: 


Simplifying
16 + -8 + -21 = 0

Combine like terms: 16 + -8 = 8
8 + -21 = 0

Combine like terms: 8 + -21 = -13
-13 = 0

Solving
-13 = 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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