Solution:
Note that:
Solve for x in the second equation.
Solve for any variable in the first equation.
- x - y = 6
- => 2y - y = 6
- => y = 6
Solve for x using the result obtained from the second equation.
- x = 2y
- => x = 2(6)
- => x = 12
The numbers are 12 and 6.