How many solutions does the system of linear equations below have?

x+8y=7
-x-8y=-7

If the slope of one line equals the slope of another line then ? a) the two lines are intersecting lines b) the two lines are perpendicular lines c) the two lines are parallel lines d) the two lines always have very steep slopes

Find the slope of the line that contains the following points. r(-2, 4), s(6, -2)

What can each term of the equation be multiplied by to eliminate the fractions before solving? x – + 2x = + x 2 6 10 12