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# Unit: Systems of equations

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### About this unit

How can you use clues from two algebraic expressions to figure out the value of a variable? In this unit, you'll learn how to solve a system of equations or inequalities in two variables by elimination, substitution, and graphing.### Learn

### Practice

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

### Learn

### Practice

- 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!

Level up on the above skills and collect up to 320 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!

Level up on the above skills and collect up to 160 Mastery points

Up next for you:

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