Answer:
168
Step-by-step explanation:
First you add 1/2 and 3/4:
5/4n
5/4n = 12 so you divide both sides by 5/4
That gives you the answer of n= 9.6.
Hope this helped :)
Answer:

Step-by-step explanation:
Answer:
1
Step-by-step explanation:
x is 1 and y is 1 and the total is three so 1
Answer:
Step-by-step explanation:
(3x -2) - (4x +1)
= 3x - 2 - 4x - 1
= - x - 3