Question

If A =[ 1 0 2 8 ] and B = [3 -4 6 0] find the matrix X satisfying 3 A + 4 X = 5 B​

Answer 1

Answer:

3A + 4X = 5B

[3 0 6 24] + 4X = [15 -20 30 0]

4X = [(15-3) -20 (30-6) -24]

4X = [12 -20 24 -24]

X = [3 -5 6 -6]