21w-21w+19-19=

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Solution for 21w-21w+19-19= equation: 


Simplifying
21w + -21w + 19 + -19 = 0

Reorder the terms:
19 + -19 + 21w + -21w = 0

Combine like terms: 19 + -19 = 0
0 + 21w + -21w = 0
21w + -21w = 0

Combine like terms: 21w + -21w = 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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