Respuesta :

msm555
  • for 1st

comparing value

3x+2=-3x-2

6x=-4

x=-4/6Have solution.

  • for 2nd.

y=-2x+10

y=-2x+10

both are equal So no solution.

3rd

y=-x+4

y=-x+4

both are equal So no solution

4th

3x+y=8

3x+y=9

both are equal So no solution