(2+4)/(-2-d) = -2
6 = -2(-2-d)
6 = 4 + 2d
2 = 2d
1 = d
        
             
        
        
        
1. Angle DEF
2. Definition of congruent angles
3. The measure of angle GHI
 
        
             
        
        
        
Answer:
I had x to be 2
Step-by-step explanation:
a square has all it side to be equal 
so 10x=6x+8 
you will group like terms 10x-6x=8 
4x=8 you divide both side by the coefficient of x which is four so X=2
 
        
             
        
        
        
Answer:
28+12x
Step-by-step explanation:
Multiply 7 with 4
Multiply 3x with 4