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[tex]2xy + -3(xy) x=10 y=-5
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[tex]2xy + -3(xy) x=10 y=-5

User Ksasq
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\text{Plug in and solve:}\\\\2(10)(-5) + -3(10(-5))\\\\2(-50) + -3(10(-5))\\\\2(-50) + -3(-50)\\\\-100+ -3(-50)\\\\-100+150\\\\\boxed{50}

User Pete Johnson
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