7/10=(9+x)/x

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Solution for 7/10=(9+x)/x equation: 



7/10=(9+x)/x

We move all terms to the left:

7/10-((9+x)/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

-((x+9)/x)+7/10=0

We calculate fractions


(-((x+9)*10)/x*10)+7x/x*10)=0



We calculate terms in parentheses: +(-((x+9)*10)/x*10), so:

-((x+9)*10)/x*10

We multiply all the terms by the denominator


-((x+9)*10)



We calculate terms in parentheses: -((x+9)*10), so:

(x+9)*10

We multiply parentheses

10x+90

Back to the equation:

-(10x+90)



We get rid of parentheses

-10x-90

Back to the equation:

+(-10x-90)



We get rid of parentheses

-10x+7x/x*10)-90=0

We multiply all the terms by the denominator


-10x*x*10)-90+7x=0

Wy multiply elements

-100x^3*1=0

We do not support expression: x^3

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