Answer:
6
Step-by-step explanation:
x=6
ax+bx=cx
10+bx=16
10+6=16
x=6
 
        
             
        
        
        
-5-(15y-1) = 2(7y-16) - y  // question 
-5-15y+1 = 14y-32-y  // distribute 
-15y - 4 = 13y - 32    // subtract
-28y = -28  // divide
y = 1
        
             
        
        
        
Answer:
2
Step-by-step explanation:

 
        
             
        
        
        
90-62=28
x=28
90-62=28
y=28
*right angle triangle is 90 degrees
        
             
        
        
        
Step-by-step explanation:
4x^2-9
=(2x)^2 -3^2
=(2x+3) (2x-3)
Hope this helps you.