Answer:
- -20 = 20
Step-by-step explanation:
The "opposite" here means we take the negative of -20 C.
So we can write - -20 which is equal to 20.
So the first option is correct, - -20 = 20.
 
        
             
        
        
        
Answer:
x= -11
Step-by-step explanation:
distribute the 3 and the 2:   3 - 9x = -8x + 14
add 9x from both sides and subtract 14 from both sides:  -11 = x
x = -11
 
        
             
        
        
        
Answer:
the answer to this question is 18....to complete this you have to multiple first then add
(Sorry.. im kind of confused by this question...
 
        
             
        
        
        
According to Adam Smith, self interest and competition act as an invisible hand, guiding firms in a market-based economy.