Question

I'm having trouble with this

-9x + 4y = 55
-11x + 7y = 82

Answer 1

Answer:

Step-by-step explanation:

99x - 44y = -605

-99x + 63y = 738

19y = 133

y = 7

-9x + 28 = 55

-9x = 27

x = -3

(-3, 7)

Answer 2

y = 7 & x= -3 so the vertex is (-3,7)