(x+90)/25=(x+30)/15

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Solution for (x+90)/25=(x+30)/15 equation: 



(x+90)/25=(x+30)/15

We move all terms to the left:

(x+90)/25-((x+30)/15)=0

We calculate fractions


x/()+(-((x+30)*25)/()=0



We calculate terms in parentheses: +(-((x+30)*25)/(), so:

-((x+30)*25)/(

We multiply all the terms by the denominator


-((x+30)*25)



We calculate terms in parentheses: -((x+30)*25), so:

(x+30)*25

We multiply parentheses

25x+750

Back to the equation:

-(25x+750)



We get rid of parentheses

-25x-750

Back to the equation:

+(-25x-750)



We get rid of parentheses

x/()-25x-750=0

We multiply all the terms by the denominator


x-25x*()-750*()=0

We add all the numbers together, and all the variables

x-25x*()=0

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