Answer:
(3x + 13) + (x - 8) + (x) = 180 --> x = 35
 
        
                    
             
        
        
        
Answer:
700
Step-by-step explanation:
The 9 = 9
The 0 = 0
The 7 = 700
The 5 = 5000
 
        
             
        
        
        
It is 77.5. Using a calculator is more useful. ☺
        
             
        
        
        
The answer is: 
 The explanation is shown below:
 1- You have the following expression given in the exercise:
 
 2- When you multiply signs, you obtain:
 
 3. Now, you must add like terms, as following: 
 
 4. Therefore, you have that the expression simplified is:
 
 
        
             
        
        
        
Answer: No
Step-by-step explanation: If it is talking about the reciprocal then yes. Reciprocal is the opposite of your number. 
Example: -4 IS 4 reciprocal.