# Unit: Unit 4: Linear equations and linear systems

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## Lesson 3: Balanced moves

Practice
Equations with variables on both sidesGet 3 of 4 questions to level up!

## Lesson 4: More balanced moves

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

## Lesson 6: Strategic solving

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No videos or articles available in this lesson
Practice
Equations with parentheses: decimals & fractionsGet 3 of 4 questions to level up!

## Extra practice: Linear equations

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!

## Lesson 7: All, some, or no solutions

Practice
Number of solutions to equations challengeGet 3 of 4 questions to level up!

## Lesson 8: How many solutions?

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

## Lesson 9: When are they the same?

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

#### Quiz 1

Level up on the above skills and collect up to 1000 Mastery points

## Lesson 10: On or off the line?

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

## Lesson 14: Solving more systems

#### Quiz 2

Level up on the above skills and collect up to 500 Mastery points

## Lesson 16: Solving problems with systems of equations

Practice
Systems of equations word problemsGet 3 of 4 questions to level up!
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#### Unit test

Level up on all the skills in this unit and collect up to 1600 Mastery points!