me assume that stuf shood be:
line 1:x-(4/5)y =(9 & 4/5)=(49/5) or 5x -4y=49 . .
line 2: -14x-4y=-46 or +14x +4y =+46 or 7x +2y=23 or 2y=-7x+23
line 1...5x -2*(-7x+23)=49
5x -14x -46=49
-9x=49+46=95
x=-95/9=-10.555555555555555...
2y=-7x+23=-7*(-95/9)+23=(665/9)+23=73.888888888888+23
2y=96.8888888888
y=48.444444444444...