Answer:
2. el numero contante por que se suma o resta
 
        
             
        
        
        
Answer:
10x- 6y
Explanation:
Multiply the 2 with what’s inside the parentheses
        
             
        
        
        
He lived 9 months in Portugal and 5 months in Brazil. This is because 130*9 + 150*5 = 1920.
        
             
        
        
        
Answer:
I dont know sorry
Step-by-step explanation:
sorrrrrrry
 
        
             
        
        
        
In this equation, you have to treat the number in the bracket first on the basis of BODMAS
15 - [-3]- 4
Note that when two minuses come together the product is a plus sign.
15 +3 - 4
You have to add before you subract
18 - 4 =14
Therefore, 15- [-3] - 4 = 14.