The answer for 6x + 3y = 15 is should be x= -1/2 y+5/2
The answer is D.<span>Subtract 9 from both sides, because 9 is positive, so you need to subtract.</span>
Answer:
This is a special triangle. It is a 30 60 90 degree triangle. I would google more about it. I don't have much more time to work it out. I hope this helps. Have a great rest of your day!