Answer:
1.
2.
Explanation:
1.
- The sum of 3 and 9 entails the addition of those two numbers, and then dividing their sum by a number (represented by x).
2.
- 3 decreased by the quotient of 9 and a number means that you divide 9 and x, and subtract those from 3. That is why 3 must be in front of
.
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