How many orders pair solutions does the system of equations have? -4+3y=12 x+y=2

Answer:
B. 1
[tex] - 4x + 3y = 12 - - - (a) \\ x + y = 2 - - - (b) \\ (a) - 3 \times (b) : \\ - 7x + 0y = 6 \\ { \boxed{x = - \frac{6}{7} }} \\ - \frac{6}{7} + y = 2 \\ { \boxed{y = \frac{20}{7} }}[/tex]