I believe the answer is a to this
Answer:

Step-by-step explanation:

Add the fractions since the denominators are the same.


Simplifying the fraction.


Answer:
Hey buddy, here is your answer. Hope it helps you.
Step-by-step explanation:
8+8=16.
Answer:0,3 for y and 4,0 for x
the second one is 0,6 for y and for the x it will be -3,0
Step-by-step explanation: