Hey, there! For this question, we can just start by plugging in the known values. 
can be rewritten as 
.
Combine like terms: 
If you add x to 
, x will become 
, which means that x/2 + x = 3/2x.
--> 
If you rearrange this, then your answer will be option b. Hope this helps.
Answer:
x= -6
Step-by-step explanation:
This is a simple addition/subtraction question question
4+3 = 7 km 12-7 = 4 therefore he still has 4 km to go
Answer:
d, 3 5/8
Step-by-step explanation:
