X-1= 5x+3x-8
Combine like terms
x-1= 8x-8
Our goal is to isolate x by cancelling out other numbers.
Subtract x from both sides
x-1-x= 8x-x-8
-1= 7x-8
Add 8 to both sides
7=7x
Divide both sides by 7
1=x
Final answer: x=1
        
             
        
        
        
Red ! Add the corresponding x coordinates and then divide by 2. Repeat for the y values
        
                    
             
        
        
        
Answer:
192 i think
Step-by-step explanation:
 
        
             
        
        
        
50=3x+b. you never specify the variable that replaces b
 
        
             
        
        
        
Answer:
4 inches
Step-by-step explanation:
the middle number is 6 and the distance from 99.7 from the middle is 3 standard deviations. 12/3 =4