Answer:
x=4, y=-7
Step-by-step explanation:
A) -8x - 3y = -11 .(-5) -----> A) 40x + 15y = 55
B) -7x - 5y = 7 . (3) ------> B) -21x -15y = 21
A) + B) ----> 19x = 76 --------> x = 4
-8 . 4 - 3y = -11
-32 - 3y = -11
32 + 3y = 11
3y = 11 - 32
3y = -21
y = -7
