21/8x=7

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Solution for 21/8x=7 equation: 



21/8x=7

We move all terms to the left:

21/8x-(7)=0



Domain of the equation: 8x!=0

x!=0/8

x!=0

x∈R



We multiply all the terms by the denominator


-7*8x+21=0

Wy multiply elements

-56x+21=0

We move all terms containing x to the left, all other terms to the right

-56x=-21

x=-21/-56

x=3/8

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