Question

Срочно дам 35б!!!!!!

Answer 1

Ответ:

{y=3-2x

{-3x+4y=-10

-3x+4(3-2x)=-10

x=2

y=3-2•2

y=-1

(x,y)=(2,-1)

{2•2+(-1)=3

{-3•2+4•(-1)=-10

[3=3

{-10=-10

(x,y)=(2,-1)