Answer:
-15
-----------
8
Step-by-step explanation:
First, let's convert all the As and Bs into numbers.
- 4(5) - 2 3(4) - 1
------------- - -------------
4(4) 5(5) - 3
Next, let's simply the expressions.
- 22 11
------------- - -------------
16 22
-11 1
----------- - ----------
8 2
Lastly, make the denominators same so you can subtract.
-11 4 -15
----------- - ---------- = - ---------
8 8 8
