-21/4=r4=5

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Solution for -21/4=r4=5 equation: 



-21/4=r4=5

We move all terms to the left:

-21/4-(r4)=0

We add all the numbers together, and all the variables

-1r^4-21/4=0

We multiply all the terms by the denominator


-1r^4*4-21=0

We do not support erpression: r^4

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