Answer:
2x-5y-20=0
Step-by-step explanation:
2y=-8+4/5x
2y+8-4/5x=0
10y+40-4x=0
5y+20-2x=0
-2x+5y+20=0
6500=7x+5000
6500-5000=7x+5000-5000
1500=7x
1500/7≈214
x≈214
y=19·214+5000
y=9066
answer=9066 bacteria