What is the solution set of the following system of equations?

5x - 3y - 10 = 0

x + y - 7 = 0

A.{ (31/8, 25/8) }

B.{ (25/8, 31/8) }

C.{ (45/2, 31/2) }

D.{ (31/2, 45/2) }

Add 10 to first equation and 7 to 2nd

5x-3y=10

x+y=7

multiply 2nd equation by 3 and add to first

5x-3y=10

3x+3y=21 +

8x+0y=31

8x=31

divide by 8

x=31/8

(x, y)

we can see that there is 1 answer with (31/8, somethng)

answer is A