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Mathematics, 14.01.2020 04:31 jaylabeatty44

Kendra was given this system of equations -3x+7y=-15 -2x-7y=5 kendra's work is shown in the table. where, if anywhere, did kendra first make a mistake?

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Kendra was given this system of equations -3x+7y=-15 -2x-7y=5 kendra's work is shown in the table. w...
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