Answer:
x = 6
y = -9
Step-by-step explanation:
The easiest way is to eliminate y by multiplying equation (2) by -2 and adding to equation (1)
(1) 7x + 2y = 24 (2) 4x + y = 15
- 8x - 2y = -30 -8x - 2y = -30
-x = - 6
x = 6 4(6) + y = 15
24 + y = 15
y = - 9
