" If "49x+y^(2)=(7x+4/2)(7x-1/2)" ,then the value of "y" ."

If 49x^(2)-b=(7x+(1)/(2))(7x-(1)/(2)), then the value of b is

If 49x^(2)-b=(7x+(1)/(2))(7x-(1)/(2)), then the value of b is

If [(2x+y, 4x),(5x-7, 4x)] = [(7,7y-13),(y,x+6)] , then the values of x,y are

If [{:(2x+y,4x),(5x-7 ,4x):}]=[{:(7,7y+13),(y,x+6):}] , then the value of x+y=.......

If 2x+3y=34 and (x+y)/(y)=(13)/(8), then find the value of 5y+7x

IF 4x+2y=24 and (7y)/(2x)=7 , what is the value of x?

If [(2x+y,4x),(5x-7,4x)]= [ (7,7y-13),(y ,x+6)] , then the value of x and y is :

If [2x+y,4x,5x-7 4x]=[7 7y-13 y x+6] , then the value of x+y is x=3 , y=1 (b) x=2 , y=3 (c) x=2 , y=4 (d) x=3 , y=3