Use matrix inversion to solve the collection of systems of linear equations.(a)

x		4y	+	2z	=	2
x	+	2y		z	=	5
x	+	y		z	=	10

(x,y,z) =

(b)

x		4y	+	2z	=	8
x	+	2y		z	=	1
x	+	y		z	=	2

(x,y,z) =

(c)

x		4y	+	2z	=	0
x	+	2y		z	=	0
x	+	y		z	=	0

(x,y,z) =