43=30-7(-1-3w)

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Solution for 43=30-7(-1-3w) equation: 



43=30-7(-1-3w)

We move all terms to the left:

43-(30-7(-1-3w))=0

We add all the numbers together, and all the variables

-(30-7(-3w-1))+43=0



We calculate terms in parentheses: -(30-7(-3w-1)), so:

30-7(-3w-1)

determiningTheFunctionDomain
-7(-3w-1)+30

We multiply parentheses

21w+7+30

We add all the numbers together, and all the variables

21w+37

Back to the equation:

-(21w+37)



We get rid of parentheses

-21w-37+43=0

We add all the numbers together, and all the variables

-21w+6=0

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

-21w=-6

w=-6/-21

w=2/7

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