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# Unit 3: Pair of linear equations in two variables

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### Practice

- Graphing linear relationships word problemsGet 3 of 4 questions to level up!
- Number of solutions to a system of equations graphicallyGet 3 of 4 questions to level up!

### Learn

### Practice

- Systems of equations with substitutionGet 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!
- Solving system of equations through cross multiplicationGet 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 of system of equationsGet 3 of 4 questions to level up!
- Number of solutions to systems of equations (intermediate)Get 3 of 4 questions to level up!

### Practice

- Solving equations reducible to linear formGet 3 of 4 questions to level up!
- Word problems: Writing equations reducible to linear formGet 3 of 4 questions to level up!
- Identifying substitutions: Equations reducible to linear formGet 3 of 4 questions to level up!

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

### Learn

### Practice

- Age word problemsGet 3 of 4 questions to level up!
- Systems of equations word problemsGet 3 of 4 questions to level up!
- Forming equations with two variablesGet 3 of 4 questions to level up!
- Word problems involving pair of linear equations (advanced)Get 3 of 4 questions to level up!

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