Answer:
x = 4
Step-by-step explanation:
5x-50=30-15x
5x +15x =30+50
20x= 80
Divide both sides of the equation by 20
x = 4
I hope it helps 
 
        
             
        
        
        
The size of any video depends on resolution of video, FPS and Audio Quality too. Uncompressed 1080p video of is 120–130mb per minute average
        
             
        
        
        
a. if the return trip is the same then the bird traveled 40miles
b. the time of the trip is x hours + 6/x-4 
Hope this helps!