The sum of 3 numbers is 6. The 3rd number is the sum of the first and second numbers. The first number is one more than the third number. Find the numbers.

Question

 (I need it set up in a 3 variable system equation)

Answer 1

x + y + z = 6

z = x + y

x = z + 1

 

Can you solve the system? Try substitution.