X/12=(x+1)/15

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Solution for X/12=(x+1)/15 equation: 



X/12=(X+1)/15

We move all terms to the left:

X/12-((X+1)/15)=0

We calculate fractions


15X^2/()+(-((X+1)*12)/()=0



We calculate terms in parentheses: +(-((X+1)*12)/(), so:

-((X+1)*12)/(

We multiply all the terms by the denominator


-((X+1)*12)



We calculate terms in parentheses: -((X+1)*12), so:

(X+1)*12

We multiply parentheses

12X+12

Back to the equation:

-(12X+12)



We get rid of parentheses

-12X-12

Back to the equation:

+(-12X-12)



We get rid of parentheses

15X^2/()-12X-12=0

We multiply all the terms by the denominator


15X^2-12X*()-12*()=0

We add all the numbers together, and all the variables

15X^2-12X*()=0

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