Question

For what value(s) of k for system of linear equations + 5 − 20 = 0 & 2 − 5 + 15 = 0

have unique solution.

(a) K can have any value except 3 (b) K can have any value except 2

(c) K can have any value except 4 (d) None of these​

Answer 1

Answer:

+5 - 20=0. +2-5+15=0

15=0. -3+15=0