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Math Test - No Calculator

$$\begin{array}{c}{x+y=0} \\ {3 x-2 y=10}\end{array}$$

Which of the following ordered pairs $(x, y)$ satisfies

the system of equations above?

$$\begin{array}{l}{\text { A) }(3,-2)} \\ {\text { B) }(2,-2)} \\ {\text { C) }(-2,2)} \\ {\text { D) }(-2,-2)}\end{array}$$