Solving for a Variable

Multi-Step Equations

Example 3

Solve 7x + 2 = -54

Step 1. Subtract 2 from both sides of the equation to isolate the variable.

Solve_ex3_1

Step 2. Divide both sides of the resulting equation by the coefficient of 7 and simplify.

Solve_ex3_2

Step 3. Check the solution.

Solve_ex3-3

*Hint: When solving a multi-step equation follow the Order of Operations in

reverse order or SADMEP.