Copy of Solve the following system by elimination.

Solve the following system by elimination.
[list=1][br][*]Add the two equations if the coefficients of one of the variables are opposites of each other.[br][*]Solve the equation for the second variable.[br][*]Substitute the found value into either of the original equations to find the value of the other variable.[br][*]If graphed, the lines would cross at the coordinate found. [br][/list]

Information: Copy of Solve the following system by elimination.