3(18-y)=2(90-y)

Solution for 3(18-y)=2(90-y) equation:

3(18-y)=2(90-y)

We move all terms to the left:

3(18-y)-(2(90-y))=0

We add all the numbers together, and all the variables

3(-1y+18)-(2(-1y+90))=0

We multiply parentheses

-3y-(2(-1y+90))+54=0


We calculate terms in parentheses: -(2(-1y+90)), so:

2(-1y+90)

We multiply parentheses

-2y+180

Back to the equation:

-(-2y+180)


We get rid of parentheses

-3y+2y-180+54=0

We add all the numbers together, and all the variables

-1y-126=0

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

-y=126

y=126/-1

y=-126