how to solve for y in an equation with x tessshlo how to solve for y in an equation with x tessshlo how to solve for y in an equation with x tessshlo graph a linear equation graph 2x 3y 12 solve for y so algebra 1 lesson 1 linear equations equations with x and y simplifying math you solving x and y equations jennarocca able demo 1 solving quadratics next substitute the x values in the equation y graphing lines using intercepts how to solve for y in a linear equation jennarocca find the x and y intercepts of 2x 5y 6 neither of these equations had a variable with a coefficient of one in this case solving by substitution is not the best method literal equations linear formulas example 1a solve the system by substitution y x here the x and y intercepts are actually the same point the origin we will need at least one more point so that we can graph the line write an equation of the line in slope intercept form that p through the points 5 solve for y in terms of x the system of equations is x 0 5y 7 7 solve equation 1 for systems of equations with substitution 2y x 7 x y 4 khan academy systems of equations with substitution 2y x 7 x y 4 khan academy ex 3 3 1 solve by substitution method i x y 2 solving systems graphical method step 1 graph both equations step 2 find the point of intersection y x x 2y 7 x y 4 x yx y 0 3 ½ 0 4 1 3 1 3 3x y 52 y 2x 10 3x 3x solving three equation example 1 substitute x 6 into equation 1 to solve for y solve the diffeial equation square x y dy dx x square y exp 1 cube x systems of equations with elimination 3y 4x 11 y 2x 13 khan academy systems of equations with substitution 2y x 7 x y 4 khan academy warm up solve each equation for x 1 y x 3 example 1a solving a system of linear equations by substitution example 1c continued step 3 3y 1 5 solve for y here we selected values for x to be 2 4 and 6 you could have chosen any values you wanted solve the diffeial equation cube x dy dx cube y square y sqrt square y square x systems of equations with elimination 3y 4x 11 y 2x 13 khan academy example 2 use the substitution method substitute 2y 6 for x in equation 2 and