Solve By The Substitution Method. 15x - 20y = 1, 10y = 1 + 5x Type An Ordered Pair?

15x - 20y = 1......(1)
10y = 1 + 5x ,20y-10x=2......(2)
(1)+(2):15x-10=1+2,5x=3,x=3/5.
10y=1+5*3/5,10y=4,y=2/5.So the asnwer is (3/5,2/5).