Simplify. Isolate the x. Note the equal sign. What you do to one side, you do to the other.
Note that 3/3 = 1
9 = 8 + 3/3
x + 1/3 (-1/3) = 8 3/3 (-1/3)
x = 8 3/3 (-1/3)
x = 8 2/3
8 2/3 is your answer
hope this helps
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