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OpenStudy (anonymous):
-2x+y=-20 2x+y=48 solve by elimination
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OpenStudy (anonymous):
y = 14 x = 17
hero (hero):
Combing the equations, you get: 2y = 28 y = 14 When you substitute y back into the equation you get: 2x +y = 48 2x + 14 = 28 2x = 14 x = 7 So x = 7 y = 14
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