Use elimination method to solve the system of equations -x+y=7 and x+y=1

1 answer:

8 0

Answer:

(x, y)= (-3, 4)

Step-by-step explanation:

eliminate the variable by adding the equations

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vova2212 [387]

Answer:

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Step-by-step explanation:

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kari74 [83]

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Step-by-step explanation:

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Montano1993 [528]

$-9x$
........................................

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