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Use the matrix tool to solve the system of equations 5x+2y=1 and -x-y=-2

Use the matrix tool to solve the system of equations 5x+2y=1 and -x-y=-2
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Use the matrix tool to solve the system of equations 5x+2y=1 and -x-y=-2

User Milen Dyankov
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Answer:

Explanation:


1.5x+2y=1\\2.-x-y=-2\\2.2(-x-y=-2)\\5x+2y=1\\-2x-2y=-4      +\\3x=3\\x=1\\Substitute               into                    number one\\5+2y=1\\y=-2

User Mikera
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