0=21.28+a(4)

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Solution for 0=21.28+a(4) equation: 



0=21.28+a(4)

We move all terms to the left:

0-(21.28+a(4))=0

We add all the numbers together, and all the variables

-(+a^4+21.28)+0=0

We add all the numbers together, and all the variables

-(+a^4+21.28)=0

We get rid of parentheses

-a^4-21.28=0

We do not support eapression: a^4

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