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krek1111 [17]
3 years ago
9

3 times the sum of a number and 3

Mathematics
1 answer:
zimovet [89]3 years ago
8 0

Answer:

3(x +3)

Step-by-step explanation:

Let x  be the unknown number

We need to find the sum first

x+3

Then multiply 3 by the sum

3(x +3)

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