If |x−1|+|x−4|=4, then x∈
If 3x+y+2x−y=2 and 9x+y−4x−y=1 then
(a) x=12,y=32 (b) x=52,y=12 (c)x=32,y=12 (d) x=12,y=52
Solve for x and y:
3x+y+2x−y=2,9x+y−4x−y=1.