Point A altimeter reading: +450
Point B altimeter reading: -50
3x+y=5 & 5x-4y=-3
3x+5x=8x+y-4y=-3
8x+y-4y=-3
8x+3y=-3
-3 -3
8x=-6
Answer:
plz mark me as brsinliest..
well what's the equation to know what x equals