1.2=0.5y-1+0.3(-y-2)

Solution for 1.2=0.5y-1+0.3(-y-2) equation:

1.2=0.5y-1+0.3(-y-2)

We move all terms to the left:

1.2-(0.5y-1+0.3(-y-2))=0

We add all the numbers together, and all the variables

-(0.5y-1+0.3(-1y-2))+1.2=0


We calculate terms in parentheses: -(0.5y-1+0.3(-1y-2)), so:

0.5y-1+0.3(-1y-2)

determiningTheFunctionDomain
0.5y+0.3(-1y-2)-1

We multiply parentheses

0.5y-0.3y-0.6-1

We add all the numbers together, and all the variables

0.2y-1.6

Back to the equation:

-(0.2y-1.6)


We get rid of parentheses

-0.2y+1.6+1.2=0

We add all the numbers together, and all the variables

-0.2y+2.8=0

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

-0.2y=-2.8

y=-2.8/-0.2

y=13+0.2/0.2