Linear equations with parentheses

The  exercise appears under the 8th grade (U.S.) Math Mission. This exercise practices solving equations with parentheses using the distributive property.

Types of Problems
There is one type of problem in this exercise:


 * 1) Solve for the variable: This problem has a rational equation. The student is asked to use algebra techniques and the distributive property to determine the solution to the variable and write it in the space provided.Linear equations with parentheses.PNG

Strategies
Knowledge of basic equation solving techniques, such as cross multiplication, is encouraged to ensure success on this exercise.
 * 1) There is no concern of extraneous solutions on this exercise.
 * 2) The equations are of the form rational expression equals rational number.
 * 3) Cross multiplication is recommended to complete this exercise efficiently.

Real-life Applications

 * 1) Rational equations are used to solve certain work rate and distance word problems.