Respuesta :

there are two equations, two unknowns in this problem, hence using the degrees of freedom, this problem can be solved. 

2x - y - 4 = 0
3x + y - 9 = 0
5x       -13 = 0
x = 13/5
y = 6/5

The answer is choice B{(13/5, 6/5)}

Answer:

B {(13/5.6/5)}