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9+x=7(x)
We move all terms to the left:
9+x-(7(x))=0
determiningTheFunctionDomain x-7x+9=0
We add all the numbers together, and all the variables
-6x+9=0
We move all terms containing x to the left, all other terms to the right
-6x=-9
x=-9/-6
x=1+1/2
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