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# Unit 3: Linear equations

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## About this unit

This unit is aligned with Illustrative Mathematics Algebra I Unit 2.

### Learn

### Practice

- Interpreting linear expressionsGet 3 of 4 questions to level up!
- Writing expressions word problemsGet 5 of 7 questions to level up!

### Learn

### Practice

- Solutions to 2-variable equationsGet 3 of 4 questions to level up!
- Complete solutions to 2-variable equationsGet 3 of 4 questions to level up!

### Learn

### Practice

- Match equations to coordinates on a graphGet 3 of 4 questions to level up!
- Interpreting graphs of proportional relationshipsGet 3 of 4 questions to level up!

Level up on the above skills and collect up to 560 Mastery points

### Practice

- Reasoning with linear equationsGet 3 of 4 questions to level up!

### Practice

- Linear equations with unknown coefficientsGet 3 of 4 questions to level up!

### Learn

### Practice

- Intercepts from a graphGet 3 of 4 questions to level up!
- Intercepts from an equationGet 3 of 4 questions to level up!
- Graph from linear standard formGet 3 of 4 questions to level up!
- Slope from equationGet 3 of 4 questions to level up!

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

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Level up on all the skills in this unit and collect up to 1,300 Mastery points!