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# Unit 1: Linear equations and inequalities

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## About this unit

Linear equations and inequalities are the foundation of many advanced math topics, such as functions, systems, matrices, and calculus. Learn how to master them and unlock new possibilities for your future studies and careers in engineering, finance, computer science, and more.### Learn

### Practice

- Equations with parenthesesGet 3 of 4 questions to level up!
- Equations with parentheses: decimals & fractionsGet 3 of 4 questions to level up!
- Number of solutions to equationsGet 3 of 4 questions to level up!

### Learn

### Practice

- Solutions to 2-variable equationsGet 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 400 Mastery points

### Practice

- Comparing linear rates word problemsGet 3 of 4 questions to level up!

### Learn

### Practice

- Absolute value equationsGet 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 900 Mastery points!