If x -y = 2 and when `y=5` find `x`

If 2x + y = 23 and 4x - y = 19, find the values of x - 3y and 5y - 2x.

If 9x^2+25 y^2=181 and x y=-6, find the value of 3x+5y

If x=2 and y=5 find the values of : 2x+3y

If x=2 and y=5 find the values of : (3x)/(2y)

If x+ y= (7)/(2) and xy= (5)/(2) , find x-y

If 2x + y = 23 and 4x - y = 19 , then find the values of 5y - 2x and (y)/(x) - 2 .

If (2x + 3,y-1) =(3,5) , then find x and y.

If x=2 and y=5 find the values of : 3x-4y

If x = 2 and y = 1, Find the value of (-4x^(2)y^(3)) xx (-5x^(2)y^(5)) .

Draw the graph of the equation 2x-3y-5=0 Find the graph find (i) x_(1) the value of x, when y=7 (ii) x_(2) ,the value of x, when y=-5