The system of equations are and the ordered pair is .
(Write equation 1)
(Substitute )
(Simplify)
This is true, so the ordered pair is a solution of equation 1.
(Write equation 2)
(Substitute )
(Product of two same signs is positive)
(Simplify)
This is true, so the ordered pair is a solution of equation 2.
The ordered pair is solution of system of equations.
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