Question

The product of a number and 7, increased
by three.

Answer 1

7x+3

Explanation:

Hi there!

Let "a number" equal x.

The product is the answer to a multiplication problem. If we're talking about the product of a number and 7, we're talking about multiplying them:

7x

Now, increasing by 3 just means we need to add 3:

7x+3

I hope this helps!