x − 3y − z = 13

3x + y − 4z = −13

−2x + 5y + 3z = −19

3x + y − 4z = −13

−2x + 5y + 3z = −19

x = ?

y = ?

z = ?

(If the system has infinitely many solutions, express your answer in terms of k, where x = x(k), y = y(k), and z = k. If the system is inconsistent, enter INCONSISTENT.)

I already got y = -5 and z = 2 but am not getting a correct answer for x. I would be very grateful for some assistance!

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