I’ve already figured out from the matrix that -a+2b-c=-9, what should I do now?

# The determinant of the matrix (left to right, top to bottom) (a, 1, 1)(b, 2, 1)(c, 3, 1) is -9, find x when ax+y+z=1,bx+2y+z=-2 cx+3y+z=3.?

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I’ve already figured out from the matrix that -a+2b-c=-9, what should I do now?

Was this Helpful?

Comments on "The determinant of the matrix (left to right, top to bottom) (a, 1, 1)(b, 2, 1)(c, 3, 1) is -9, find x when ax+y+z=1,bx+2y+z=-2 cx+3y+z=3.?"