The answer is 3.5 & 355 because the decimal shifts to the left or right, you move the decimal in the answer too.
        
             
        
        
        
-x is 13 units to the right of 0 or -13 units to the left of 0.
Hope this helps :)
        
                    
             
        
        
        
3x+17+5x=7x+10
Simplify:
3x+5x+17=7x+10
8x+17=7x+10
Get the variables on one side:
8x-7x+17=7x-7x+10
x+17=10
One-step equation:
x=-7
        
             
        
        
        
31.5
because 3 gallons are lost per minute so 3 x 10.5= 31.5
        
                    
             
        
        
        
Answer:
the first sentance is wrong, the second one is right, the third one is right and the last one is wrong
Step-by-step explanation: