2x+y-z=3

X+y+z=1

x-2y-3z=4

sol(2,-1,0)

2x+3y-z=1

3x+5y+2z=8

x-2y-3z=-1

sol (3,-1,-2)

X+2y-3z+w=4

Y+2z+3w=5

S(7a+5b-6,5-2a-3b,a,b)

X+y-z=0

2x+4y-z=0

3x+2y+2z=0

(0,0,0)

X+2y-3z=1

-3x+y-2z=-7

5x+3y-4z=2

inconsistente

X+2y-3z=6

2x-y+4z=2

4x+3y-2z=14

(2-a,2+2a,a)

2x+y-3z=1

3x-y-4z=7

5x+2y-6z=5

(3,-2,1)

2x+3y=3

X-2y=5

3x+2y=7

(3,-1)

2x+3y-2z=5

x-2y+3z=2

4x-y+4z=1

inconsistente

X+2y-3z+2w=2

2x+5y-8z+6w=5

3x+4y-5z+2w=4

(-a+2b,1+2a-2b,a,b)

X+2y+2z=2

3x-2y-z=5

2x-5y+3z=-4

X+4y+6z=0

(2,1-1)

X+2y-z+3w=3

2x+4y+4z+3w=9

3x+6y-z+8w=10

(6a-2a-5b,a,b,2b-1)

X+55y+4z-13w=3

3x—y+2z+5w=2

2x+2y+3z-4w=1

(Inconsistente)

2x+y-3z=5

3x-2y+2z=5

5x-3y-z=16

(1,-3,-2)

X+2y+3z=3

2x+3y+8z=4

3x+2y+17z=1

(-1-7a,2+2a,a)

X+y+z+w=0

X+y+z-w=4

X+y-z+w=-4

x-y+z+w=2

(1,-1,2,-2)

2x-2y+3z=0

3x+2y+z=0

x-4y+5z=0

(a,-a,-a)

4x-y+2z+w=0

2x+3y-z-2w=0

7y-4z-5w=0

2x-11y+7z+8w=0

[(-5a+3b)/8,a,(7a-5b)/4,b]

x-2y+3z=4

-x+y+z=0

2x+2y-18z=-16

 (-4+5a, -4+4a,a )

X+2y-3z=-2

4X-y+2z=8

13X-y+3z=22

 [(14-a)/9,(-16+14a)/9,a ]

-X+3y+z=7

3X-9y-3z=14

4X+2y-2z=24

Inconsistente

X-y=-10

-X+y-z=-40

-X+2z=40

(20,10,30)

4x+2y-5z=13

x+y+z=2

2x-y-3z=3

 (1,2,-1)

-5x+6y-7z=25

10x-11y+13z=-45

-x+y-z=4

(1, 5, 0)

X+2y=8

3x-4y=4

X+y=5

3x+3y=10

2x-3y+4z=-12

x-2y+z=-5

3x+y+2z=1

3x+2y+z=2

4x+2y+2z=8

x-y+z=4

2x+4y+6z=-12

2x-3y-4z=-15

3x+4y+5z=-8

X+y-2z=5

2x+3y+4z=2

X+4y-z=12

3x+8y-2z=4

3X+4y-z=8

6x+8y-2z=3

X+y+3z=12

2x+2y+6z=6

X+y=1

2x-y=5

3x+4y=2

2X+3y=13

x-2y=3

5x+2y=27

X-5y=6

3x+2y=1

5x+2y=1

X+3y=-4

2x+5y=-8

x+3y=-5

2x+3y-z=6

2x-y+2z=-8

3x-y+z=-7

2X+3y-z=0

x-4y+5z=0