Solving Equations for X

66 CQ
10 Lessons
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    7 CQ
    1. Solving 1-Step Addition Equations
    A lesson with Eric Buffington
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    In this lesson, get started with the foundational concepts of algebra by learning how to solve simple equations involving the addition of the variable x.

    In this lesson, get started with the foundational concepts of algebra by learning how to solve simple equations involving the addition of the variable x.

  • Playing
    7 CQ
    2. Solving 1-Step Subtraction Equations
    A lesson with Eric Buffington
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    Eric Buffington walks you through solving one-step subtraction algebra equations. Try a few practice problems and you'll be a pro in no time!

    Eric Buffington walks you through solving one-step subtraction algebra equations. Try a few practice problems and you'll be a pro in no time!

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    7 CQ
    3. Solving 1-Step Equations with Decimals
    A lesson with Eric Buffington
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    Decimals can make otherwise simple equations look complicated, but with the easy approach presented in this lesson, you can get them under control!

    Decimals can make otherwise simple equations look complicated, but with the easy approach presented in this lesson, you can get them under control!

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    5 CQ
    4. Solving 1-Step Multiplication Equations
    A lesson with Eric Buffington
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    Negatives? Decimals? Positives? No Problem! In this lesson, see how to solve one-step multiplication equations no matter how complicated they become.

    Negatives? Decimals? Positives? No Problem! In this lesson, see how to solve one-step multiplication equations no matter how complicated they become.

  • Playing
    6 CQ
    5. Solving 1-Step Division Equations
    A lesson with Eric Buffington
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    Solving for x is made easy in this lesson showing you how to tackle one-step division equations. Follow the steps, and get the right answer every time!

    Solving for x is made easy in this lesson showing you how to tackle one-step division equations. Follow the steps, and get the right answer every time!

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2 Comments
500 characters max
Marcie S
i love it but lost me at the changing the + and - signs. ex. x+(-4)=18 How do I know and why to change it to minus four. Why put plus on the other side. Using the method you like. I think going back and reviewing fractions? Anyway, I am having a good time.
Eric Buffington
Glad you liked the lesson overall. I think there are two questions here. 1. If you have a question 7 + (-3) that can be rewritten as 7 - 3. the addition sign is like joining the numbers together, so if you join an positive and a negative you are subtracting. 2. x - 4 = 18. When you have a situation like this you do the inverse so in place of - 4 you would add 4 to both sides of the equation to get x by itself. Hope that helps to answer your questions! Have a great day!
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