A. (-1,-2)
Because:
x + y = -3
-1 + (-2) = -3
-3 = -3
x - y = 1
-1 - (-2) = 1
-1 + 2 = 1
1 = 1
Answer:






Step-by-step explanation:
To add or subtract you need to make the denominator the same. To do this you need to find the least common multiple.
Answer:
Step-by-step explanation:
Simplified expression:




If x = -1, the value of the expression is:




Hope this helps!