42=16-2(4-1w)

Solution for 42=16-2(4-1w) equation:

42=16-2(4-1w)

We move all terms to the left:

42-(16-2(4-1w))=0

We add all the numbers together, and all the variables

-(16-2(-1w+4))+42=0


We calculate terms in parentheses: -(16-2(-1w+4)), so:

16-2(-1w+4)

determiningTheFunctionDomain
-2(-1w+4)+16

We multiply parentheses

2w-8+16

We add all the numbers together, and all the variables

2w+8

Back to the equation:

-(2w+8)


We get rid of parentheses

-2w-8+42=0

We add all the numbers together, and all the variables

-2w+34=0

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

-2w=-34

w=-34/-2

w=+17