Respuesta :

2(-5/3) - 5(5) > 6
-10/3 - 25 > 6
-10/3 - 75/3 > 6
-85/3 > 6
- 28 1/3 > 6....false.....so (5,-5/3) is not a solution

2(5) - 5(2.6) > 6
10 - 13 > 6
-3 > 6......false...so (2.6,5) is not a solution

the other 2 are solutions