3(4-y)=7(2-y)

Solution for 3(4-y)=7(2-y) equation:

3(4-y)=7(2-y)

We move all terms to the left:

3(4-y)-(7(2-y))=0

We add all the numbers together, and all the variables

3(-1y+4)-(7(-1y+2))=0

We multiply parentheses

-3y-(7(-1y+2))+12=0


We calculate terms in parentheses: -(7(-1y+2)), so:

7(-1y+2)

We multiply parentheses

-7y+14

Back to the equation:

-(-7y+14)


We get rid of parentheses

-3y+7y-14+12=0

We add all the numbers together, and all the variables

4y-2=0

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

4y=2

y=2/4

y=1/2