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If one line is useful, let's see what we can do with two lines. In this unit, we learn how to write systems of equations, solve those systems, and interpret what those solutions mean in a real-world context.
- Solutions of systems of equations
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- Systems of equations with graphing
Systems of equations with graphing - Systems of equations |...
- Creating systems in context
Khan Academy
- Interpret points relative to a system
Interpret points relative to a system - Systems of equations...
- Systems of equations: Quiz 1
Systems of equations: Quiz 1 - Systems of equations |...
- Systems of equations with substitution
Systems of equations with substitution - Systems of...
- Combining equations
Combining equations - Systems of equations | Algebra 1 |...
- Elimination strategies
Elimination strategies - Systems of equations | Algebra 1 |...
- Solutions of systems of equations
This topic covers: - Solutions of linear systems - Graphing linear systems - Solving linear systems algebraically - Analyzing the number of solutions to systems - Linear systems word problems
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.
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Systems of equations with substitution: y=-1/4x+100 & y=-1/4x+120 (Opens a modal) Substitution method review (systems of equations) (Opens a modal) ... Khan Academy is a 501(c)(3) nonprofit organization. Donate or volunteer today! Site Navigation. About. News; Impact; Our team; Our interns; Our content specialists;
Start practicing—and saving your progress—now: https://www.khanacademy.org/math/algebra-home/alg-system-of-equa...
In this unit, we learn how to write systems of equations, solve those systems, and interpret what those solutions mean in a real-world context. If one line is useful, let's see what we can do with two lines.
