PDF chapter test TRY NOW
Solve the following pair of linear equations.
(a − b) x + (a + b) y = a^2− 2ab − b^2
(a + b) (x + y) = a^2 + b^2
x=
y=
Answer variants:
\frac{-2ab}{a-b}
a-b
a+b
\frac{-2ab}{a+b}
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