(s)/(6)=(s+15)/(7)

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Solution for (s)/(6)=(s+15)/(7) equation: 



(s)/(6)=(s+15)/(7)

We move all terms to the left:

(s)/(6)-((s+15)/(7))=0

We calculate fractions


7s^2/()+(-((s+15)*6)/()=0



We calculate terms in parentheses: +(-((s+15)*6)/(), so:

-((s+15)*6)/(

We multiply all the terms by the denominator


-((s+15)*6)



We calculate terms in parentheses: -((s+15)*6), so:

(s+15)*6

We multiply parentheses

6s+90

Back to the equation:

-(6s+90)



We get rid of parentheses

-6s-90

Back to the equation:

+(-6s-90)



We get rid of parentheses

7s^2/()-6s-90=0

We multiply all the terms by the denominator


7s^2-6s*()-90*()=0

We add all the numbers together, and all the variables

7s^2-6s*()=0

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