If `2x+3y=5` and `3x+2y=10` then `x-y=`
(a) 3
(b) 4
(c) 5
(d) 6

If 4x+5y=83 and (3x)/(2y)=(21)/(22), then y-x=?( a) 3( b) 4 (c) 7 (d) 11

If 2x+y=5 and 3x-4y=2, then the value of 2xy is (a) 4 (b) 6 (c) 8 (d) 10

If theta is the angel between the planes 2x-y+z-1=0 and x-2y+z+2=0 then costheta= (A) 2/3 (B) 3/4 (C) 4/5 (D) 5/6

3x - y= 5, 6x - 2y = 10 .

If 2x + 3y = 5 and 3x + 2y = 10 , then what is the value of x-y?

The coefficient of x^2 in -5/3\ x^2y is equal to :- (a) -5/3 (b) -5/3y (c) 5/3 (d) 5/3y

If 2x + 3y = 10 and 3x + 2y = 5 , then value of x +y is ____

If (x+3)/(4)=5 and (y-2)/(3)=6 then x and y are:

If 3x-4y+z=7; 2x-z+3y=19 ; x+2y+2z=24 , then what is the value of z ? (a) 4 (b) 5 (c) 6 (d) 8

2x+3y=5 6x+9y=10