Answer:
8 is subtracted from x
The inverse operation is addition
Add 8 to both sides
X=-2 so I think that it is: 10 is added to x
The inverse operation is subtraction
Subtract 10 from both sides
4 is multiplied by x
The inverse operation is division 
Divide 4 from both sides 
X is divided by 2
The inverse operation is multiplication 
Multiply each side by 2
Hope it helps!
 
        
             
        
        
        
The answer is C 
1/2(5x + 12) 
because the perimeter is equal 20x + 6 
        
             
        
        
        
Answer:
the answer is A=8.96 X 10 with a power of 7
 
        
                    
             
        
        
        
Answer:
No Solution. 
Step-by-step explanation:
x+y=8
y=3-x
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x+(3-x)=8
x+3-x=8
x-x+3=8
0+3=8
3=8
no solution