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Solve the system of equations by making the appropriate substitution. (Order your answers from smallest to...

Solve the system of equations by making the appropriate substitution. (Order your answers from smallest to largest x, then from smallest to largest y.)

x2 + 2y2 = 22
2x2 − 3y2 = −19
(x, y) =
(x, y) =
(x, y) =
(x, y) =
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