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# Unit 6: Systems of equations

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## About this unit

If one line is useful, let's see what we can do with two lines. In this unit, we learn how to write systems of equations, solve those systems, and interpret what those solutions mean in a real-world context.

### 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

- 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!

### Learn

### Practice

- Reasoning with systems of equationsGet 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!