Question 329535
3x-y=1 
y-x=-5
y=x-5
Now replace y in the first equation with (x-5) & solve for x
3x-(x-5)=1
3x-x+5=1
2x=1-5
2x=-4
x=-4/2
x=-2 ans.
y=-2-5
y=-7 ans.
Proof:
3*-2-(-7)=1
-6+7=1
1=1