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(8y+30)=84
We move all terms to the left:
(8y+30)-(84)=0
We get rid of parentheses
8y+30-84=0
We add all the numbers together, and all the variables
8y-54=0
We move all terms containing y to the left, all other terms to the right
8y=54
y=54/8
y=6+3/4
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