Find the equation of a straight line passing through the point of intersection of `x+2y+3=0\ a n d\ 3x+4y+7=0` and perpendicular to the straight line `x-y+9=0.`

Find the equation of the straight line passing through the intersection of : x +2y-3=0 and 3x+ 4y-7=0 and perpendicular to x + 3y+4=0.

Find the equation to the straight line drawn through the point of intersection of x+2y+3=0 and 3x+4y+7=0 and perpendicular to y-x=8 .

Find the equation to the straight line drawn through the point of intersection of x+2y+3=0 and 3x+4y+7=0 and perpendicular to y-x=8 .

Equation of a straight line passing through the point of intersection of x-y+1=0 and 3x+y-5=0 are perpendicular to one of them is

Find the equation of a straight line passing through the point of intersection of the lines : 3x+y-9=0 and 4x+3y-7=0 and perpendicular to the line 5x-4y+1=0

Find the equation of a straight line passing through the point of intersection of the lines : 3x +y-9 =0 and 4x + 3y-7=0 and perpendicular to the line 5x -4y + 1 =0.

Find the equation of the straight line passing through the point of intersection of the two line x+2y+3=0 and 3x+4y+7=0 and parallel to the straight line y-x=8

Equation of a straight line passing through the point of intersection of x - y + 1 = 0 and 3x + y - 5 = 0 are perpendicular to one of them is

Equation of a straight line passing through the point of intersection of x - y + 1 = 0 and 3x + y - 5 = 0 are perpendicular to one of them is