Question

The sum of two numbers is 23. The difference of twice the second number and the first is 1. Write and solve a system of equations to find the number. (Use the elimination method)

Answer 1

8 and 15

Explanation:

Lets say x+y=23.

2y-x=1

System of equation:

x+y=23

2y-x=1

So 3y=24

So y=8

x=15