Question

sabe que X= -1 + 3/2 e Y= -1 -3/2 entao x-y vale ??
A)-2
B)+2
C)-3
D)+3

Answer 1

x - y =

-1 + 3/2 -(-1 -3/2)

-1 +3/2 +1 +3/2

3/2 + 3/2

6/2

3 ✓ ====> D) +3