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17 January, 08:12

Solve for y:

-x - 2y + z = 3

2x + 4y - 2z = 1

3x + 4y - 7z = 0

a. Dependent

b. 12/5

c. Inconsistent

d. - 5/12

+3
Answers (1)
  1. 17 January, 11:03
    0
    c. Inconsistent

    Step-by-step explanation:

    Multiply the first equation by - 2:

    2x + 4y - 2z = - 6

    Compare this to the second equation:

    2x + 4y - 2z = 1

    There are no values of x, y, and z that can satisfy both of these equations. The system is inconsistent.
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