SOLUTION: x + y = 1 and x - y = 3, what is the value of x^2y. Thank you for your help!

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Question 446024: x + y = 1 and x - y = 3, what is the value of x^2y.
Thank you for your help!

Answer by richard1234(7193) About Me  (Show Source):
You can put this solution on YOUR website!
x + y = 1
x - y = 3

Adding the two equations,

2x = 4 --> x = 2. This implies y = -1. Question is unclear whether you indicate or but you can substitute x and y in either case.