You need to add a -1
We can find this by setting up the equation like so
x + (-6) + 12 + 15 / 4 = 5
x + 21 = 20
x = 20 -21
x = -1
Now if we insert -1 where x is located in the equation, you will get a means of 5
Answer:
D
Step-by-step explanation:
20/18+5/18=25/18
25/18 can be written as mixed fraction 1 7/18
