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# Unit 4: Systems of equations

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## About this unit

A "system of equations" is when we're dealing with more than one equation at the same time. These tutorials show you how to set up and solve systems of equations.

### Learn

### Practice

- Systems of equations with graphingGet 3 of 4 questions to level up!

### Learn

### Practice

- Systems of equations with substitutionGet 3 of 4 questions to level up!

Level up on the above skills and collect up to 240 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!

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 700 Mastery points!