Answer: sorry im useless in geometry
Step-by-step explanation:
Answer:
5.19 I'm not 100% sure if it's right tho.
Answer: X=9/4
(4x+5y=7
y=3x+9
4x+5(3x+9)=7
4x+15x+45=7
19x=7-45
19x= -38
19×/19=-38/19
x= -2
whlie y=3x+9
y=3(-2)+9
y= -6+9
y=3 end solution
x= -2,y= 3