Find the value of y? x + y = 1 and -x + y = -3
1
-1
2
-2
If X/y+yx=-1 then find the value of x^3-y^3
Find the value of x and y. 3x−7=1yx+1y=1
If x=2 and y=4, find value of (xy)x−y+(yx)y−x.