SISTEMAS DE ECUACIONES 1.
3x + 2 y − z = 12 Resolver: 2x + y + 5z = 9 x+y+z =6
2.
2 x − y + 2 z = 5 Resolver: x + 2 y = 5 3x + y + z = 10
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6.
x+y+z = 6 Resolver: x + 2 y + 5z = 12 x + 4 y + 25z = 36 2x − y + z = 2 x + 3y + z = −6 Resolver: 4 x − 2 y + 2 z = 4 5x + y + 3z = −2 x + y + z = 3 Resolver: −y+z =0 x + 2 y + 3z = 1 x + 3y + 4 z = 0 Resolver: x+z =3 2 x − y + 2z = 6
7.
3x + y = 7 Resolver: 2x + 4 y + 5z = −2 x + y+ z =1
8.
3x + 2 y − z = 1 Resolver: x − 2 y + 4z = 2 3x + 10 y − 14z = 4
9.
x + y = 7 y + z = 4 Resolver: z + t = 2 t +s = 7 x + s = 6
2 x + 3y + z = 2 3x + 2 y + 4z = 13 10. Resolver: x + 5y − 3z = −13 2x + y − z = 2 2 x + y + z + t = 2 x + 2 y + z + t = 2 11. Resolver: x + y + 2z + t = 2 x + y + z + 2t = 2 x 1 + 2x 2 + 3x 3 + x 4 − 6 = 0 − x − 3x + x − 2 x + 1 = 0 2 3 4 12. Resolver: 1 3x 1 − x 2 + x 3 − 2 = 0 5x 1 + 4x 2 + 3x 3 + 3x 4 − 9 = 0
x − y + 2z − t = 0 2x − y + z = 5 13. Resolver: y − 2 z + 3t = 3 2 x − 3y + 6z − 5t = −3 x − y−z+ t =1 14. Resolver: 2x + y − z − 2t = 0 3x − y − 2z + t = −1 x−y−z+t = 2 15. Resolver: 2x + y − t = 1 x + 5y + 3z − 5t = −4