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    the411's Avatar
    the411 Posts: 1, Reputation: 1
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    #1

    Nov 19, 2007, 05:52 PM
    Equation solving?
    Hello, I have a test tomorrow in my algebra class and I need to pass this test in order to pass that class. I get most of it but I'm really worried because I don't understand how to solve the equations. For example this is what the equations look like:

    7(x-3) = 7(4x+5)

    can you please show me how to solve this? I know most of it but I don't know how to fully solve the problem. If you could please show me and explain how to do this step by step it would really help. Thank you!
    asterisk_man's Avatar
    asterisk_man Posts: 476, Reputation: 32
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    #2

    Nov 19, 2007, 06:18 PM
    the basic idea is to first expand all terms (perform the multiplication) and then collect like terms (put all the x together), put x by itself on one side and divide the other by the number multiplying x.

    for example:
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