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# Unit 4: Linear equations and linear systems

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### Practice

- Equations with parenthesesGet 3 of 4 questions to level up!

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- No videos or articles available in this lesson

### Practice

- Equations with variables on both sides: decimals & fractionsGet 3 of 4 questions to level up!
- Equations with parentheses: decimals & fractionsGet 3 of 4 questions to level up!

### Learn

### Practice

- Sums of consecutive integersGet 3 of 4 questions to level up!
- Equation practice with vertical anglesGet 3 of 4 questions to level up!
- Equation practice with angle additionGet 3 of 4 questions to level up!

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### Practice

- Number of solutions to equationsGet 3 of 4 questions to level up!

### Learn

### Practice

- Age word problemsGet 3 of 4 questions to level up!

Level up on the above skills and collect up to 800 Mastery points

### Learn

- No videos or articles available in this lesson

### Practice

- Solutions of systems of equationsGet 3 of 4 questions to level up!

### Learn

### Practice

- Systems of equations with graphingGet 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

- Number of solutions to a system of equations algebraicallyGet 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 400 Mastery points

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Level up on all the skills in this unit and collect up to 1,600 Mastery points!