This is a very slick applet from WisWeb for providing practice solving linear equations (and showing your work!). You can use one of the 20 equations given or type in one of your own. Specify what you want to do to each side as the next step (e.g., add 4, combine like terms, distribute) and then do it. The applet will then indicate whether you have correctly carried out the operation you specified. Continue until the equation is solved.
There are a couple of other versions of this applet which have more practice problems, grouped by difficulty, but they do not include the option to enter your own equation. You can find them here and here.
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