[quote=@Nilesapa]
x+3y-4z=6
2x-2y+8z=2
x-4y+2z=1

Solve.
[/quote]

x= [sup]51[/sup]/[sub]16[/sub]
y = [sup]5[/sup]/[sub]16[/sub]
z = [sup]-15[/sup]/[sub]32[/sub]

amirite