PLEASE HELP FAST!!! How many solutions does this system have?

Y=3/4x+-5
-3x+4y=-20


Which one is it?
A. One
B. Two
C. An infinite number
D. No solution

Respuesta :

Step-by-step explanation:

  • y=3/4x+(-5)
  • -4x+4(3/4x+-5)=-20

-4x+3x-20=-20

-x=-20+20

-x=0

x=0

  • x=0 in y=3/4x-5

y=3/4×{0}-5

y=-5