Answer:
-17 =s
Step-by-step explanation:
-8s +4 = -7s +21
Add 8s to each side
-8s+8s +4 = -7s+8s +21
4 = s+21
Subtract 21 from each side
4-21 = s+21-21
-17 =s
 
        
                    
             
        
        
        
Answer:
x= 156
Step-by-step explanation:
i had a test with the same question, i promise its right :)
 
        
                    
             
        
        
        
3(5y-6)-2y=8
15y-18-2y=8
13y-18=8
13y=26
y=2
That is because you have the expression you can substitute it on the system.( hope this helps)
        
                    
             
        
        
        
The answer to your problem is 20 inches.
        
                    
             
        
        
        
Answer:
Step-by-step explanation:
Whitxh answer are u tryna get?