Answer: 5x - 7 = 9
Explanation:
Let's think the unknown number as, "x"
Product means multiplication so 5 multiply the unknown number which is 5x. Seven less mean's to subtract so 5x - 7. And then the result is 9. So 5x - 7 is 9 or 5x - 7 = 9.
Sorry for not providing enough explanation last time. But I hope this is enough-
