Bantuin ya bang kak buk,tentang matriks kok

1. 5=q+3->q=2
5p+2=7 ->5p=5->p=1

2.invers =1 /2-3 (-1 -1)
(-3 -2)
=-1(-1 -1)
(-3 -2)
=(1 1)
(3 2)

3. det = (-3.2.0)+(1.-1.4)+(1.0.-3)-(4.2.1)-(-3.-1.-3)-(0.0.1)
=0-4+0-8+9-0=-12+9=-3

4. 2(-1 2)-(3 1)+(5 0)
(3 0) (1 2) (-2 6)
=(-2 4)-(3 1)+(5 0)
(6 0) (1 2) (-2 6)
= (-5 3)+(5 0)
(5 -2) (-2 6)
= (0 3)
(3 4)

maaf jika salah