21/2x=18

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Solution for 21/2x=18 equation: 



21/2x=18

We move all terms to the left:

21/2x-(18)=0



Domain of the equation: 2x!=0

x!=0/2

x!=0

x∈R



We multiply all the terms by the denominator


-18*2x+21=0

Wy multiply elements

-36x+21=0

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

-36x=-21

x=-21/-36

x=7/12

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