Answer:
−1.01
Step-by-step explanation:
Simplify the expression!
If x-y=2 then x=2+y
And if you insert that in the first equation




Or

The first one is bigger so the answer is
Answer:
The solution of
is 64.
Step-by-step explanation:
In Mathematics when two negative numbers are multiplied the result is a positive number, i.e.
.
The expression to be solved is: 
Solve the above expression as follows:

Thus, the solution of
is 64.
Answer:
5.20
Step-by-step explanation:
the 2nd week is -16.54
the 4th week is -21.74
if u subtract them it gives u positive 5.2
hope this helps
Answer:
B
Step-by-step explanation:
3/r=1/y-2/x
3/r=x-2y /xy