r/2=(r+5)/4

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Solution for r/2=(r+5)/4 equation: 



r/2=(r+5)/4

We move all terms to the left:

r/2-((r+5)/4)=0

We calculate fractions


4r^2/()+(-((r+5)*2)/()=0



We calculate terms in parentheses: +(-((r+5)*2)/(), so:

-((r+5)*2)/(

We multiply all the terms by the denominator


-((r+5)*2)



We calculate terms in parentheses: -((r+5)*2), so:

(r+5)*2

We multiply parentheses

2r+10

Back to the equation:

-(2r+10)



We get rid of parentheses

-2r-10

Back to the equation:

+(-2r-10)



We get rid of parentheses

4r^2/()-2r-10=0

We multiply all the terms by the denominator


4r^2-2r*()-10*()=0

We add all the numbers together, and all the variables

4r^2-2r*()=0

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