joanna93063 joanna93063

10-04-2017
Mathematics

contestada

Write a matrix that represents the system of equations below: 7x-3y=21 and 5x-y=85

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edrush1957G edrush1957G

10-04-2017

The matrix that represents the system of equations is
(7-3)(x) = (21)
(5 -1)(y) (85)

Hope this helps you :)

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Аноним Аноним

10-04-2017

If your solving using the matrices of ellimination, your answer would be
(117/4 , 245/4 )

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