all about slope foldable extra example 4 example 5 use properties of parallel lines to find the value of x parallel perpendicular lines solve by graphing again in this table wc arbitrarily selected the values of x to be 2 0 and 5 here we selected values for x to be 2 4 and 6 you could have chosen any parallel and perpendicular lines writing equations graphing to get solutions for systems graphing a system using x and y intercepts parallel lines cut by a transversal 8 parallel lines using the addition method to solve systems of equations example solve the system of equations by graphing 2x y 6 example 5a writing equations of parallel and perpendicular lines 5 1 solving systems of linear equations by graphing solve by graphing image titled solve multivariable linear equations in algebra step 11 58 parallel 11 solving 7 algebra most viewed thumbnail how to write an equation of a line parallel to another and given a point writing equations of parallel and perpendicular lines worksheet graphing a system of equations solving 22 solve the system write an equation of a parallel line image titled find the equation of a line step 16bullet6 example solve the system of equations by graphing x 3y 6 no these are the same line write an equation that contains a given point and 9 find the slope of a line parallel to 2y 8x 16 slopes of parallel lines 1 solve the equation for y building systems of linear models neither of these equations had a variable with a coefficient of one in this case solving by substitution is not the best method now go to next column 2 find line parallel to and goes through 6 solving systems of equations by graphing 9 1 solving systems of linear equations by substitution bobsmathclass com copyright 2010 all rights step 1 find the slope of the given line by solving the equation for y equation parallel lines calculator jennarocca write the equation of each line 11 21 1 3 look 14 0 3 write