Question 32919
2x+3y=5
x=3y+1 substituting (3y+1) for x in equation #1 we get
2(3y+1)+3y=5 or 6y+2+3y=5 or 9y=3 or y=3/9 or y=1/3
substituting 1/3 for y in the second equation we get
x=3(1/3)+1 or x=1+1 or x=2 
proof 2*2+3(1/3)=5 or 4+1=5 or 5=5 and
2=3(1/3)+1 or 2=1+1 or 2=2