Question

Даю 100 баллов!!!!!!! Срочно очень. Помогите пожалуйста!!!!!!!!

Answer 1

Ответ:

{2(x-2y)=x-8y

(5(x+y)=2(x-y)+10

(2x-4y=x-8y

{5x+5y=2x-2y+10

(2x-4y-x+8y=0 {5x+5y-2x+2y=10

{x+4y=01*3

(3x+7y=10

-{3x+12y=0

-{3x+7y=10

5y=101:5

y=2

3x+12*2=0

3x=-241:3

X=-8

(3(x+4y)-4x=2(2x+y)

{7(x-5y)+6x=3(x+4y)+27

{3x+12y-4x=4x+2y

{7x-35y+6x-3x+12y+27

{-x+12y-4x-2y=0

(13x-35y-3x-12y=27

{-5x+10y=01*2

{10x-47y=27

+{-10x+20y=0

+{10x-47y=27 -27y=271:(-27)

y=-1

-10x-1*20-0(15+2(x+3y)=3(4x+y)

{2(5x-y)-3y=2+3(2x-y) (15+2x+6y=12x+3y

{10x-2y-3y=2+6x-3y

(2x+6y-12x-3y=-15

{10x-5y-6x+3y=2 {-10x+3y=-151*2

{4x-2y=21*3

+{-20x+6y=-30

+{12x-6y=6

-8x=-241:(-8)

X=3

12*3-6y=6

-6y-6-36

-6y=-301:(-6)

y=5

(5(7x+2y)-11y=6(2x+y)+2

(33+3(6x-5y)=3(x+2y)-5y (35x+10y-11y=12x+6y+2

(33+18x-15y-3x+6y-5y

(35x-y-12x-6y=2

(18x-15y-3x-6y+5y=-33

{23x-7y=21*16

{15x-16y=-331*7

-{368x-112y=32

-(105x-112y=-231{5(7x+2y)-11y=6(2x+y)+2

{33+3(6x-5y)=3(x+2y)-5y {35x+10y-11y=12x+6y+2

[33+18x-15y=3x+6y-5у

(35x-y-12x-6y=2

{18x-15у-3х-6у+5у=-33

{23x-7y=21*16

(15x-16y=-33/*7

-{368x-112y=32

-{105х-112y=-231

263x=2631:263

x=1

15*1-16y=-33

-16у=-33-15

-16y=-481:(-16)

у=3