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Course: Algebra (all content) > Unit 5
Lesson 2: Introduction to systems of equations- Systems of equations: trolls, tolls (1 of 2)
- Testing a solution to a system of equations
- Solutions of systems of equations
- Systems of equations: trolls, tolls (2 of 2)
- Systems of equations with graphing: y=7/5x-5 & y=3/5x-1
- Systems of equations with graphing: exact & approximate solutions
- Systems of equations with graphing
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Testing a solution to a system of equations
Sal checks whether (-1,7) is a solution of the system: x+2y=13 and 3x-y=-11. Created by Sal Khan and Monterey Institute for Technology and Education.
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