Answer:
(-14, -33)
Step-by-step explanation:
Note that y = x + 9. Substitute (x + 9) for y in the first equation, obtaining:
2x - (x + 9) = -14, or
x + 19 = -14, or x = -33.
Now substitute -33 for x in the second equation and find y:
y = (-33) + 9 = -14
The system solution is (-14, -33).
