Mathematics, 26.10.2019 20:43 20stirltrer

3x - 3y - z= -6
x - +3z = -9
-x - 4y = -7
i don't know how to work it out anyone know how? i know the answer but i need the work
(2, 1, -3) thats for x, y, z is what you have to solve for

Answers: 1

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3x - 3y - z= -6
x - +3z = -9
-x - 4y = -7
i don't know how to work it out anyone k...