Question

What is the answer to this problem?

Answer 1

7 + 3 * x = 52

x = 15

Explanation:

Let's call the number x.

The sum of seven and three times a number is 52

Let's substitute x for "a number" and write it mathematically:

7 + 3 * x = 52

3 * x = 52 - 7

3 * x = 45

x = 15