Задания №5
1.	x1 + x2 + x3 = 4	9.	2x1 + 2x2 +10x3 =14
	2x1 +3x2 + x3 =9		10x1 + x2 + x3 =12
	x1 − x2 − x3 = −2		2x1 +10x2 + x3 =13
2. 4x1 − x2 + x3 = 4		10.	x1 − x2 + x3 − x4 = −2
	x1 +6x2 + 2x3 =9		2x1 + x2 −5x3 + x4 = 2
	−x1 −2x2 +5x3 = 2		8x1 − x2 − x3 + 2x4 =11
			x1 +6x2 −2x3 −2x4 = −7
3.	10x1 −7x2 = 7	11.	5x1 + x3 =11
	−3x1 + 2x2 + 6x3 = 4		x1 +3x2 − x3 = 4
	5x1 − x2 +5x3 = 6		−3x1 + 2x2 +10x3 = 6
4.	4x1 − x2 + x3 = 4	12.	2x1 − x3 = −3
	2x1 +6x2 − x3 = 7		−x1 +3x2 + x3 = 2
	x1 + 2x2 −3x3 = 0		x1 − x2 + 4x3 =3
5.	5x1 + x3 =11	13.	2x1 − x3 =1
	2x1 +6x2 − 2x3 =8		x1 −3x2 + x3 = 2
	−3x1 + 2x2 +10x3 = 6		x1 + x2 +3x3 = 4
6.	2x1 + x2 + 4x3 =16	14.	5x1 + x2 − x3 = −5
	3x1 + 2x2 + x3 =10		−x1 +3x2 + x3 =5
	x1 +3x2 +3x3 =16		x1 −2x2 + 4x3 =1
7.	−3x1 + 2,099x2 + 6x3 =3,901	15.	4,5x1 −1,8x2 +3,6x3 = −1,7
	10x1 −7x2 = 7		3,1x1 + 2,3x2 −1,2x3 =3,6
	5x1 − x2 +5x3 = 6		1,8x1 + 2,5x2 + 4,6x3 = 2,2
8.	3x1 − x2 =5	16.	−8x1 +5x2 +8x3 −6x4 = −144
	−2x1 + x2 + x3 = 0		2x1 +7x2 −8x3 − x4 = 25
	2x1 − x2 + 4x3 =15		−5x1 −4x2 + x3 −62x4 = −21
			5x1 −9x2 − 2x3 +8x4 =103

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17.	−6x1 −8x2 −2x3 −8x4 = −32	22.	−x1 −8x2 +5x4 = −60
	9x1 +8x2 + x4 =8		−6x1 −6x2 + 2x3 + 4x4 = −10
	−9x2 −5x3 +9x4 = −2		9x1 −5x2 −6x3 + 4x4 = 65
	−x1 + 4x2 −8x3 − 4x4 = −36		−5x1 −9x3 + x4 =18
18.	2x1 −7x2 +8x3 − 4x4 = −57	23.	−5x1 + 2x2 + 4x3 −4x4 =57
	−x2 + 4x3 − x4 = 24		4x1 +9x2 −7x3 −5x4 = −23
	3x1 −4x2 + 2x3 − x4 = 28		−5x2 +6x3 + 7x4 = 23
	−9x1 + x2 − 4x3 + 6x4 =12		4x1 +8x2 −6x3 −6x4 = −20
19.	−5x1 −6x2 + 4x3 − 2x4 = 64	24.	9x1 −7x2 − x3 + x4 =55
	3x2 −4x3 −6x4 = −55		2x1 +7x2 +3x3 −6x4 = −66
	2x1 + 4x2 −4x3 + 2x4 = −48		4x1 +7x2 −3x3 −7x4 = −43
	x1 −8x2 + 2x3 +8x4 = 68		−9x1 −5x2 − x3 −6x4 = −24
20.	7x1 +8x2 + 4x3 −6x4 = −126	25.	8x1 +8x2 −5x3 −8x4 =13
	−x1 +6x2 −2x3 −6x4 = −42		8x1 −5x2 +9x3 −8x4 =38
	2x1 +9x2 +6x3 −4x4 = −115		5x1 −4x2 −6x3 − 2x4 =14
	5x1 +9x2 + x3 + x4 = −67		8x1 +3x2 +6x3 +6x4 = −95

21.−4x1 −9x2 + 4x3 +3x4 = −51 2x1 +7x2 +9x3 +8x4 = 76

4x1 −4x2 −2x4 = 26

−8x1 +5x2 + 2x3 +9x4 = −73

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