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# Unit 4: Systems of equations

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## About this unit

In this unit, we learn how to write systems of equations, solve those systems, and interpret what those solutions mean.

### Learn

### Practice

- Solutions of systems of equationsGet 3 of 4 questions to level up!
- Systems of equations with graphingGet 3 of 4 questions to level up!
- Creating systems in contextGet 3 of 4 questions to level up!
- Interpret points relative to a systemGet 3 of 4 questions to level up!

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

### Learn

### Practice

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

### Learn

### Practice

- Combining equationsGet 3 of 4 questions to level up!
- Elimination strategiesGet 3 of 4 questions to level up!
- Systems of equations with eliminationGet 3 of 4 questions to level up!
- Systems of equations with elimination challengeGet 3 of 4 questions to level up!

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

### Learn

### Practice

- Number of solutions to a system of equations graphicallyGet 3 of 4 questions to level up!
- Number of solutions to a system of equations algebraicallyGet 3 of 4 questions to level up!

### Learn

### Practice

- Age word problemsGet 3 of 4 questions to level up!
- Systems of equations word problemsGet 3 of 4 questions to level up!
- Systems of equations word problems (with zero and infinite solutions)Get 3 of 4 questions to level up!

Level up on the above skills and collect up to 400 Mastery points

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Level up on all the skills in this unit and collect up to 1,500 Mastery points!