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  1. Substitution method review (systems of equations) - Khan Academy

    The substitution method is a technique for solving a system of equations. This article reviews the technique with multiple examples and some practice problems for you to try on your own.

  2. Systems of equations with substitution: potato chips

    To solve a system of equations using substitution... 1. Isolate one of the variables in one of the equations, e.g. rewrite 2x+y=3 as y=3-2x. 2. You can now express the isolated variable using the …

  3. Systems of equations with substitution: -3x-4y=-2 & y=2x-5

    Learn to solve the system of equations -3x - 4y = -2 and y = 2x - 5 using substitution.

  4. Systems of equations with substitution - Khan Academy

    The tricky thing is that there are two variables, x and y . If only we could get rid of one of the variables... Here's an idea! Equation 1 tells us that 2 x and y are equal. So let's plug in 2 x for y in Equation 2 to …

  5. Systems of equations with substitution - Khan Academy

    Solve systems of equations where one of the equations is solved for one of the variables.

  6. Substitution method review (systems of equations) (article ... - Khan ...

    The substitution method is a technique for solving a system of equations. This article reviews the technique with multiple examples and some practice problems for you to try on your own.

  7. Systems of equations with substitution: 2y=x+7 & x=y-4

    When solving a system of equations using substitution, you can isolate one variable and substitute it with an expression from another equation. This will allow you to solve for one variable, which you can …

  8. Systems of equations with substitution - Khan Academy

    Solve systems of equations where one of the equations is solved for one of the variables.

  9. Solving linear systems by substitution (old) - Khan Academy

    And in this video, I'm going to show you one algebraic technique for solving systems of equations, where you don't have to graph the two lines and try to figure out exactly where they intersect.

  10. System of equations | Algebra (all content) | Math | Khan Academy

    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