y=190+.9(y-100)

Solution for y=190+.9(y-100) equation:

y=190+.9(y-100)

We move all terms to the left:

y-(190+.9(y-100))=0


We calculate terms in parentheses: -(190+.9(y-100)), so:

190+.9(y-100)

determiningTheFunctionDomain
.9(y-100)+190

We multiply parentheses

0.9y-90+190

We add all the numbers together, and all the variables

0.9y+100

Back to the equation:

-(0.9y+100)


We get rid of parentheses

y-0.9y-100=0

We add all the numbers together, and all the variables

0.1y-100=0

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

0.1y=100

y=100/0.1

y=1000