Answer:b is the choice
Step-by-step explanation:
An equation has an infinite number of solutions if the left and right sides are identical. Let's simplify them both and then decide the value of ?.
Left hand side:

Right hand side:

So, both sides have a numeric part of -20. We can use the "?" value to make sure that the literal part is the same as well. So, we want

Answer:
Step-by-step explanation:
![\left[\begin{array}{ccc}1&3&3\\-4&3&3\end{array}\right] -\left[\begin{array}{ccc}4&-3&4\\-1&5&0\end{array}\right] =\left[\begin{array}{ccc}1-4&3+3&3-4\\-4+1&3-5&3-0\end{array}\right] =\left[\begin{array}{ccc}-3&6&-1\\-3&-2&3\end{array}\right]](https://tex.z-dn.net/?f=%5Cleft%5B%5Cbegin%7Barray%7D%7Bccc%7D1%263%263%5C%5C-4%263%263%5Cend%7Barray%7D%5Cright%5D%20-%5Cleft%5B%5Cbegin%7Barray%7D%7Bccc%7D4%26-3%264%5C%5C-1%265%260%5Cend%7Barray%7D%5Cright%5D%20%3D%5Cleft%5B%5Cbegin%7Barray%7D%7Bccc%7D1-4%263%2B3%263-4%5C%5C-4%2B1%263-5%263-0%5Cend%7Barray%7D%5Cright%5D%20%3D%5Cleft%5B%5Cbegin%7Barray%7D%7Bccc%7D-3%266%26-1%5C%5C-3%26-2%263%5Cend%7Barray%7D%5Cright%5D)
Answer:
6.57 and1.11 is the answer to the question