Answer the following questions.Find matrices A and b,where `3A-B=[[-1,2,1],[1,0,5]]`and `A+5B=[[0,0,1],[-1,0,0]]`

Answer

`A = (1)/(16) [{:(-5, 10 , 6),(4, 0 , 25):}] = B = (1)/(16) [{:(1,-2,2),(-4,0,-5):}]`