Question

3x-2y=-11 2x-5y=-11 resolver por el metodo de sustitucion

Answer 1

3x-3y=-11

2x-5y=-11-->x=-11/2+5/2y

Luego:

3(-11/2+5/2y)-3y=-11

-33/2+15/2y-3y=-11

4.5y=5.5

y=11/9

x=-22/9

Answer 2

3x-2y=-11

2x-5y=-11

3x=-11+2y

x=-11+2y/3

2x-5y=-11

2((-11+2y)/3)-5y=-11

(-22+4y)/3-5y=-11

(-22+4y-15y)/3=-11

(-22-11y)/3=-11

-22-11y=-33

-11y=-33+22

-11y=-11

y=1

3x-2(1)=-11

3x-2=-11

3x=-11+2

3x=-9

x=-9/3

x=-3