Question

The sum of 7 and 3 times a number is 34.
What is the number?

Answer 1

9

Explanation:

Let the unknown number be x

Sum means add

7 + 3x = 34

Subtract 7 from each side

7+3x-7 = 34-7

3x = 27

Divide by 3

3x/3 = 27/3

x = 9