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

3x+5y=9 and 4x+3y=7 then find x+y

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

Choose the correct alternative answers for the following questions If 3x + 5y =9 and 5x + 3y= 7 , then what is the value of x + y ?

If 3x + 5y = 9 and 5x + 3y = 7 , then what is the value of x + y ?

If 3x + 5y = 21 and 2x +3y = 13 , then find the values of x and y .

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