.25=(p-20)/p

Solution for .25=(p-20)/p equation:

.25=(p-20)/p

We move all terms to the left:

.25-((p-20)/p)=0


Domain of the equation: p)!=0

p!=0/1

p!=0

p∈R


We add all the numbers together, and all the variables

-((p-20)/p)+0.25=0

We multiply all the terms by the denominator


-((p-20)+(0.25)*p)=0


We calculate terms in parentheses: -((p-20)+(0.25)*p), so:

(p-20)+(0.25)*p

We multiply parentheses

(p-20)+0.25p

We get rid of parentheses

p+0.25p-20

We add all the numbers together, and all the variables

1.25p-20

Back to the equation:

-(1.25p-20)


We get rid of parentheses

-1.25p+20=0

We move all terms containing p to the left, all other terms to the right

-1.25p=-20

p=-20/-1.25

p=+16