Answer:
a. No
b. Yes
c. No
d. Yes
e. Yes
Step-by-step explanation:
3(x+2) simplified is equal to (3)x+(3)2 which is simplified to 3x+6. 
a. 3x+2 is not the same as 3x+6 so it is false. 
b. 3(2+x) is simplified to (3)2+3(x) which is simplified to 6+3x or 3x+6 which is equal to 3x+6 so it is true. 
c. 3x+2x is simplified to 5x which is not equal to 3x+6 so it is false. 
d. x+2x+2+4 is simplified to 3x+6 which is equal to 3x+6 so it is true. 
e. x+x+x+1+1+1+1+1+1 is simplified to 3x+6 which is equal to 3x+6 so it is true. 
If this answer has helped you please mark as brainliest
 
        
             
        
        
        
Answer:4
Step-by-step explanation:
B) -7x-2x= -20-16 
     -9x= -36 
       X= -36 /-9 
       X= 4 
 
        
             
        
        
        
Step-by-step explanation:
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Answer:
I'm not entirely sure but I think you have to start by negative -1 and move back 4 spaces? 
Step-by-step explanation:
the Red arrows is pointing towards the negative side of the number line