30=50-7(5-1w)

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Solution for 30=50-7(5-1w) equation: 



30=50-7(5-1w)

We move all terms to the left:

30-(50-7(5-1w))=0

We add all the numbers together, and all the variables

-(50-7(-1w+5))+30=0



We calculate terms in parentheses: -(50-7(-1w+5)), so:

50-7(-1w+5)

determiningTheFunctionDomain
-7(-1w+5)+50

We multiply parentheses

7w-35+50

We add all the numbers together, and all the variables

7w+15

Back to the equation:

-(7w+15)



We get rid of parentheses

-7w-15+30=0

We add all the numbers together, and all the variables

-7w+15=0

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

-7w=-15

w=-15/-7

w=2+1/7

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