X = 1/2 y = 4 by elimination
 
        
        
        
Answer:3/2
how i did this
Add 11 to both sides.
4x=5+1
Simplify 5+15+1 to 66.
4x=6
 Divide both sides by 4
        x=   6/4
Simplify 6/4 to 3/2
        Awnser
x=3/2
Sorry if not helpful just trying my best :)
  
 
        
             
        
        
        
NQS= 30
you just subtract 78-48 to get 30 
        
             
        
        
        
Answer: When two lines are crossed by another line (which is called the Transversal), the angles in matching corners are called corresponding angles. Example: a and e are corresponding angles. When the two lines are parallel Corresponding Angles are equal.