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# Unit 3: Linear equations and inequalities

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## About this unit

We will now equate two algebraic expressions and think about how it might constrain what value the variables can take on. The algebraic manipulation you learn here really is the heart of algebra.

### Learn

### Practice

- One-step addition & subtraction equationsGet 5 of 7 questions to level up!
- One-step multiplication & division equationsGet 5 of 7 questions to level up!

### Learn

### Practice

- Two-step equationsGet 5 of 7 questions to level up!
- Two-step equations word problemsGet 3 of 4 questions to level up!

### Learn

### Practice

- Equations with variables on both sidesGet 3 of 4 questions to level up!
- Equations with parenthesesGet 3 of 4 questions to level up!

Level up on the above skills and collect up to 480 Mastery points

### Learn

### Practice

- Two-step inequalitiesGet 5 of 7 questions to level up!
- Two-step inequality word problemsGet 3 of 4 questions to level up!

Level up on the above skills and collect up to 320 Mastery points

### Learn

### Practice

- Solving proportionsGet 5 of 7 questions to level up!
- Solving proportions 2Get 5 of 7 questions to level up!
- Writing proportionsGet 3 of 4 questions to level up!
- Proportion word problemsGet 3 of 4 questions to level up!

Level up on the above skills and collect up to 320 Mastery points

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Level up on all the skills in this unit and collect up to 1,400 Mastery points!