The equation would be -x+10.2-
x+y
The equation contains:
-decimals
-variables
-negatives
-fractions
-like-terms
Answer:
126
Step-by-step explanation:
Total number of apples = 9
Number of favourite Mathematics lecturers = 5
To find number of ways in which 9 (identical) apples can be given to your 5 favourite Mathematics lecturers, find 
Combination refer to selection of items such that order does not matter.
Use 
Put 

A = 50
For the other one it is 100
If you are looking for z then z is 55