If the angle between two lines is `pi/4`and slope of one of the lines is `1/2`, find the slope of the other line.

Find the slope of the line x-y+3=0

Find the slope of the line x -y+ =0

Find the slope of the line 2x+3y+1=0

Find the slope of the line x/3+y/2=1

Find the slope of the line 3x-4y+1=0 .

Find the slope of the line 3x-4y+10=0 .

Find the slope of the line 3x-4y-2=0 ?

Define slope of a straight line ?

The slope of a line is double of the slope of another line. If tangent of the angle between them is 1/3 , find the slopes of the lines.