(2y)/(y+7)=3/5

Solution for (2y)/(y+7)=3/5 equation:

(2y)/(y+7)=3/5

We move all terms to the left:

(2y)/(y+7)-(3/5)=0


Domain of the equation: (y+7)!=0

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

y!=-7

y∈R


We add all the numbers together, and all the variables

2y/(y+7)-(+3/5)=0

We get rid of parentheses

2y/(y+7)-3/5=0

We calculate fractions


10y/(5y+35)+(-3y-21)/(5y+35)=0

We multiply all the terms by the denominator


10y+(-3y-21)=0

We get rid of parentheses

10y-3y-21=0

We add all the numbers together, and all the variables

7y-21=0

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

7y=21

y=21/7

y=3