-21+5=-16

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Solution for -21+5=-16 equation: 


Simplifying
-21 + 5 = -16

Combine like terms: -21 + 5 = -16
-16 = -16

Add '16' to each side of the equation.
-16 + 16 = -16 + 16

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

Combine like terms: -16 + 16 = 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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