3 pounds cost $6.75
to help you, turn it into a fraction, 2 punds ove 2.50 equals 3 pounds over X
I think it’s the one on the bottom left
The answer will be (-2,-7)
Answer: -1
Step-by-step explanation:
Y-4X =3 ; 2x-3y=21
Y= 3+ 4x
2x -3( 3+4x)= 21
2x- 9- 12x= 21
-10x -9= 21
-10x -9+9= 21+9
-10x = 30
X= 30/-10= -3
Y= 3+4x = 3+ 4* (-3)= 3-12= -9