If x,y `in`R and (x-3y) + 5i = 5 +(3x+y)I, find x and y.

If x = (3 - i) , y = (2 + i) , find |(x + y + 1)/(x - y + 1)|

Find x and y if : (x+ 2,4) = (5, 2x+ y)

Multiply : (x – y) and (3x + 5y)

Find x and y when : (2y + 7) + (4-3x)i=0 .

If (x - 2,y + 3) = (5,-6) , then find the value of x and y.

Find the equation of the circle circumscribing the quadrilateral formed by the straight lines : x-y = 0, 3x + 2y = 5, x - y = 10 and 2x + 3y = 0 .

If (x/3+1, y-2/3)=(5/3, 1/3) , find the values of x and y.