Answer:
b. x+y=18
20x+25y=400
Step-by-step explanation:
Answer:
115 sirrrrr
Step-by-step explanation:
I can't figure this one out but download Cymath it will help with this problem.
For number 1.
x= -2, y=-1
x= 3, y= 1
number 2.
x= -3, y= +2
x= 2, y= -3
i'm not 100% this is correct but from what i can remember this is how you do it, if the answer is not similar to any of your other answers then please correct me
