Algebra I
posted by Austin on .
How do you write a system of linear equations in two variables?
Explain this in words and by using mathematical notation in an equation.
What steps will be taken to solve the system that you provided?

any explanation given here will look remarkably like whatever is in your text, or you can find using google or wolframalpha.
If you have a particular problem, come back with a more specific question.
If you know what a linear equation is, a system is just a set of equations. You can use as many variables as you like.
There are various methods of solving such systems. Read up on them.