If 7x+5y=-17 and 5x+7y=-19, then find the value of (i) x-y (ii) x+y.

If 3x+5y =9 and 5x+3y=7, then find the value of x+y.

(i) x+2y=-7 and 3x-2y=-1, then find the value of x. (ii) If x+y=8 and 4y-x=2, then find the value of y. (iii) If 3x+5y=9 and 5x+3y=7, then find the value of x+y. (iv) If 3x-y=11 and x-3y=17, then find the value of x-y.

IF 3x +5Y = 9 and 5x + 3y =7 then find the value of x+y

If 3x+5y=9,5x+3y=7 then find the value of x-y .

If x=5 and y=-2 , then find the value of (i) (8x-2y+5)/(2x+4ty+12) " "(ii) (5x-6y-7)/(3x+6y+12)

If 17x -5y=8 and 14 x -7y =-7, what is the value of 3x + 2y ?

If 4x+5y=10,5x+4y=17 then find the value of x+y and x-y .

If 5x+7y=17 , 7x+5y=19 then the value of x-y is ……….

If 3x+5y=15 and x-2y=10 , what is the value of 2x+7y ?