Question

Решите систему:

|4х+у=2у-4

|3х+у=х+1

помогите....

Answer 1

4х+у=2у-4

у=1-2х

 

4х-1+2х=-4

6х=-3

х=-3/6

х=-1/2=-0.5        -у=-4*-0.5-4

                            -у=-2

                           у=2

вроде так