3.5=7/x

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Solution for 3.5=7/x equation: 



3.5=7/x

We move all terms to the left:

3.5-(7/x)=0



Domain of the equation: x)!=0

x!=0/1

x!=0

x∈R



We add all the numbers together, and all the variables

-(+7/x)+3.5=0

We get rid of parentheses

-7/x+3.5=0

We multiply all the terms by the denominator


(3.5)*x-7=0

We multiply parentheses

3.5x-7=0

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

3.5x=7

x=7/3.5

x=2

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