V. Solve which of the given ordered pair is a solution of the linear equations.
39. 2x + y = 10
a. (0,4)
b. (3,4)
c. (-1,-4)
d. (7,2)
40. x - 3y = 4
a. (4,-1)
b. (10,2)
c. (9,3)
d.(-4,10)
41. 3x + y = 7
a. (2,-7)
b. (1,4)
c. (2,7)
d. (-6,1)​