Question

find matrix x such that 2A-3B+4X=C
where A=[3 0] B= [-1 0] C= [5 7]
[-3 1] [-2 1] [1 0]
[4 1] [7 2] [2 5]​

Answer 1

Answer:

X = [-1  7/4]   or 1/4[-4 7]

Explanation:

2[3 0] - 3[-1 0] + 4X = [5 7]

[6 0] - [-3 0] + 4X = [5 7]

4X = [-4 7]

X = 1/4[-4 7]