Answer:
Subtract 11/2y from each side of the equation
Step-by-step explanation:
The answer is c. because 6/8 = 3/4 which is equal to the fraction next to it
Answer:
I just do a' as a sample. You calculate b' and c'
Step-by-step explanation:

Now, calculate b x c
![\left[\begin{array}{ccc}i&j&k\\2&3&1\\1&-1&-2\end{array}\right] =](https://tex.z-dn.net/?f=%5Cleft%5B%5Cbegin%7Barray%7D%7Bccc%7Di%26j%26k%5C%5C2%263%261%5C%5C1%26-1%26-2%5Cend%7Barray%7D%5Cright%5D%20%3D%3C-5%2C%205%2C-5%3E)

Answer:
x=4
Step-by-step explanation:
You can use the app photo math, thats what I did you just take a pic of the problem and it shows you the steps and answer