Math H.W. Booklet pg.132-133

1) Equations can be solved in several ways.

a) Solve by inspection, using mental math.
b) Model the equation, using balance it.
c) Isolate the variable by performing the opposite operation on both sides of the equal sign.

2) To check the solution, substitute your answer into the equation. The solution is correct if the left side of the equation is equal to the right side.