Question

Is the answer a, b, c, or d.

Answer 1

X-2y =1 -------------> x=1+2y
6x - 5y = 20

6(1+2y)  - 5y= 20
6 +12y -5y =20
7y = 20 -6
7y = 14
y=2

x=1 +2y
x = 1 +2*2
x=5


(5,2) is the answer (B).