45=21-2(2-3w)

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Solution for 45=21-2(2-3w) equation: 



45=21-2(2-3w)

We move all terms to the left:

45-(21-2(2-3w))=0

We add all the numbers together, and all the variables

-(21-2(-3w+2))+45=0



We calculate terms in parentheses: -(21-2(-3w+2)), so:

21-2(-3w+2)

determiningTheFunctionDomain
-2(-3w+2)+21

We multiply parentheses

6w-4+21

We add all the numbers together, and all the variables

6w+17

Back to the equation:

-(6w+17)



We get rid of parentheses

-6w-17+45=0

We add all the numbers together, and all the variables

-6w+28=0

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

-6w=-28

w=-28/-6

w=4+2/3

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