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(9y-4)+(y+7)=(30)
We move all terms to the left:
(9y-4)+(y+7)-((30))=0
determiningTheFunctionDomain (9y-4)+(y+7)-30=0
We get rid of parentheses
9y+y-4+7-30=0
We add all the numbers together, and all the variables
10y-27=0
We move all terms containing y to the left, all other terms to the right
10y=27
y=27/10
y=2+7/10
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