20=28-2(-5-5w)

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Solution for 20=28-2(-5-5w) equation: 



20=28-2(-5-5w)

We move all terms to the left:

20-(28-2(-5-5w))=0

We add all the numbers together, and all the variables

-(28-2(-5w-5))+20=0



We calculate terms in parentheses: -(28-2(-5w-5)), so:

28-2(-5w-5)

determiningTheFunctionDomain
-2(-5w-5)+28

We multiply parentheses

10w+10+28

We add all the numbers together, and all the variables

10w+38

Back to the equation:

-(10w+38)



We get rid of parentheses

-10w-38+20=0

We add all the numbers together, and all the variables

-10w-18=0

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

-10w=18

w=18/-10

w=-1+4/5

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