Solving for a Variable: Example 5

Solving for a Variable

Multi-Step Equations

Example 5

Solve Solve_ex5

Step 1. Subtract 7 from both sides of the equation to isolate the variable.

Solve_ex5_1

Step 2. Divide both sides of the resulting equation by and simplify. *Remember: multiplying both sides by the reciprocal of the coefficient yields the same result as dividing by the coefficient. Choose the easiest method.

Solve_ex5_2

Step 3. Check the solution.