Question

3.1.2 The sum of 3 numbers is equal to 37. The second number is

twice the first number and third number is 3 less than the second
(3)
number. What is the first number?

Answer 1

8

Explanation:

Let's take the first number as X.

Then,

X+2X+(2X-3)=37

5X=37+3

5X=40

X=40/5

X=8

First number=8