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Money Left - College Algebra

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    So we know that grant started off with a
    certain amount of money from the venture
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    capital funders. But then he doesn't just
    keep it, he starts to spend it. This means
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    that the right choice must take both of
    these into account, the money that he was
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    given initially and the money that he
    spent so far. The second and last choices
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    only have one of these two things each, so
    that means that neither of them can be
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    right. So I'm going to cross them both
    out. So that just leaves us with these
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    two. Money from funders plus money spent,
    or money from funders minus money spent.
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    Spending money, actually takes away from
    the amount of money that we have. It
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    doesn't add to it. So that means that the
    third choice, right here, money from
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    funders minus money spent must be the
    right answer. Now without even trying
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    we've actually just done some math. I know
    that there aren't any numbers here, but
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    what we've created is called an equation.
    It's called that because of this equal
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    sign right here in the middle. Over doing
    with this equation is showing that these
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    two quantities, the one on the left side
    of the equal sign and the one on the right
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    side. Are equal to each other, or have the
    same numerical value. This is the first of
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    many, many equations that we're going to
    look at throughout this course. And over
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    time you'll learn to do a ton of different
    things with them.
Money Left - College Algebra
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MA008 - College Algebra
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