Module IIIGraphing Equations With Two Variables 
Moodle Module 3  Functions 
Linear Equations  any equation whose graph is a line.Linear Inequality  replacing the = sign with a <, >, <, >

Navigate to this YouTube video for instruction on how to solve linear equations.
Come back when you have watched the video. 
Resources: 
Solving Linear Equations FAQQ. What is the solution of an equation with two variables? A. any ordered pair that makes the equation a true statement. Q. How can I graph an equation having two variables? A. Make a table of values (T chart) to show orderedpair solutions 