SOLUTION: ax-by = a^2 + b^2 2bx - ay = 2b^2 + 3ab - a^2 Find x and y in terms of a and b??

Algebra ->  Expressions-with-variables -> SOLUTION: ax-by = a^2 + b^2 2bx - ay = 2b^2 + 3ab - a^2 Find x and y in terms of a and b??      Log On


   

Question 481071: ax-by = a^2 + b^2
2bx - ay = 2b^2 + 3ab - a^2
Find x and y in terms of a and b??
Answer by robertb(5830) About Me  (Show Source):
You can put this solution on YOUR website!
x =
= %28-a%5E3+%2B+2ab%5E2+-+a%5E2b+%2B+2b%5E3%29%2F%28-%28a%5E2+-+2b%5E2%29%29
= %28-%28a%2Bb%29%28a%5E2+-+2b%5E2%29%29%2F%28-%28a%5E2+-+2b%5E2%29%29
= a+b
==> y = a - b, after substitution into the first equation.