# Unit 6: Expressions, equations, and inequalities

## Lesson 6: Distinguishing between two types of situations

Practice
Interpreting linear expressionsGet 3 of 4 questions to level up!

## Lesson 9: Dealing with negative numbers

Practice
Two-step equationsGet 5 of 7 questions to level up!

## Lesson 10: Different options for solving one equations

Practice
Two-step equations with decimals and fractionsGet 5 of 7 questions to level up!
Find the mistake: two-step equationsGet 3 of 4 questions to level up!

## Lesson 11: Using equations to solve problems

Practice
Two-step equations word problemsGet 3 of 4 questions to level up!

## Lesson 13: Reintroducing inequalities

Practice
Testing solutions to inequalitiesGet 3 of 4 questions to level up!

## Lesson 15: Efficiently solving inequalities

Practice
One-step inequalitiesGet 5 of 7 questions to level up!
Two-step inequalitiesGet 5 of 7 questions to level up!

## Lesson 17: Modeling with inequalities

Practice
Two-step inequality word problemsGet 3 of 4 questions to level up!

## Lesson 20: Combining like terms (part 1)

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Practice
Combining like terms with negative coefficientsGet 5 of 7 questions to level up!

## Lesson 22: Combining like terms (part 3)

Practice
Combining like terms with rational coefficientsGet 3 of 4 questions to level up!