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(8x+9)=(51)
We move all terms to the left:
(8x+9)-((51))=0
determiningTheFunctionDomain (8x+9)-51=0
We get rid of parentheses
8x+9-51=0
We add all the numbers together, and all the variables
8x-42=0
We move all terms containing x to the left, all other terms to the right
8x=42
x=42/8
x=5+1/4
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