To start take the equation and then plug in 9 for x
3x+4y=43
3(9)+4y=43
27+4y=43
Subtract 27 from each side to get all of the y's by themselves
27+4y-27=43-27
4y=16
Divide by four to get the value of one y
4y/4=16/4
y=4
Answer:
Step-by-step explanation:
Answer:
It could be 11/10
Step-by-step explanation:
I am so sorry I would love to help you but I haven't gotten that far in my classes, how long do you have? My sister should be coming home soon and she's learned this before