X = 9
you multiply both sides by 3 because you have to get rid of it and what you do to one side you do to the other then you divide both sides by 2 to isolate the variable. i hope that makes sense.
Answer:
1.643
Step-by-step explanation:
The second number has more digits so it will be the base
12 
hours
to calculate time divide distance by average speed
time = 
= 12.5 = 12
Answer:
We have to choose any one from option B and option C
Step-by-step explanation:
We have to perform a subtraction of two decimal numbers.
(9.43 - 4.286) = (9.430 - 4.286) = 5.144.
Hence, the answer is 5.144 which is given both options B and C.
In case there are two options with the same value and the value is the answer, then you choose any one of them but not both.
Here in our case, we have to choose any one from option B and option C and we will be rewarded full marks. (Answer)
