Respuesta :

Plug in -4 into x and 10into y
10+20=10
30 does not equal 10
The answer is no
plug in the points into the equation. 

10 - 5(-4) = 10

10 - (-20) = 10

10 + 20 = 10

30 = 10

so there isn't a solution.

hope that helps, God bless!