I already a seed you when you asked this the first time. The answer is 3.
You multiply both sides by 50 and then you get this
(In the picture)
Well we know she filled up her car 11 times each with 14 gallons.
All we have to do is multiply 11 by 14
11 x 14 = 154
Now the question says to estimate. And our answer can be rounded down to 150 gallons.
So your answer is..
B.) 150 gallons.
Good Luck! :)
The answer you want is x = -30