There are 100 cm in a meter, so John's father would be 200 cm tall.
        
             
        
        
        
Input 3y+11 for x
2(3y+11)-3y=16
6y+22-3y=16
3y= -6
Divide by 3 to isolate y
y=-2
Now for x....
x=3(-2)+11
=-6+11
=5
x=5
Coordinates (5,-2)
        
                    
             
        
        
        
Answer: 
Im in 7th grade and I need some help on a math problem. can I post it? 
 
        
             
        
        
        
I can’t understand because I speak English