Question

4= x+9/x-3

`4 = (x + 9)/(x - 3)`
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Answer 1

x = 7

Explanation:

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`4 = (x+9)/(x-3)`

`(16)/(4) = (20)/(5) = (24)/(6) = (28)/(7)`

If you try all of these, you'll see that only
`(x+9)/(x-3) = (16)/(4)` when x is 7