Answer:
x= 5 
Step-by-step explanation:
first we open brackets 
12x-8=52
then transpose
12x= 52+8
12x= 60
x= 60/12
x= 5
hope it helps , pls mark me as brainliest
 
        
             
        
        
        
Answer:
A}
Step-by-step explanation:
It is 10 times because it is one digit to the left that makes 10 times greater
 
        
                    
             
        
        
        
Both lines are parallel so using the bottom line you are given angle 7 as being 80 degrees. Angle 5 and 7 form a straight line which is 180 degrees so angle 5 would be 180-80 = 100 degrees. 
Angle 1 is the same as angle 5 so angle 1 is 100 degrees.
Answer: 100 degrees
 
        
                    
             
        
        
        
Answer:
Hola Amigos De Brainly les quiero pedir de su ayuda para resolver esta actividad El tema es ecuaciones cuadráticas y necesito que me ayuden POR FAVOR. 
 
        
                    
             
        
        
        
Answer:
63 Hope this helps you and everyone else :)
Step-by-step explanation:
First, multiply 9x2 to get 18. Then, multiply 9x5 to get 45. Finally add both numbers to get 63.