Lesson 7: Collecting like terms. Solving linear equations

Here is a PDF version of the lesson.

Here is a PDF version of the workbook containing lots of practice.

What is the difference between expressions and equations?

What does it mean “to solve an equation”?

The answers to the above questions are provided in this lesson.

An equation is an equality of two quantities and it always contains an equal sign.

An expression does not have an equal sign, but it may contain variables that represent a certain quantity or relationship.

You are going to learn how to solve a linear equation by completing the reverse BEDMAS and performing opposite operations.

You will also find out how to check whether the solution is correct and the equation is balanced.

Grade 7 Like Terms and Equations Quiz

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