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30 September, 20:54

What is 3x-10+2x+3x+x+20+2x+10+x-20

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  1. 30 September, 21:18
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    12x

    Explanation:

    3x - 10 + 2x + 3x + x + 20 + 2x + 10 + x - 20

    = 3x + - 10 + 2x + 3x + x + 20 + 2x + 10 + x + - 20

    Combine Like Terms

    = 3x + - 10 + 2x + 3x + x + 20 + 2x + 10 + x + - 20

    = (3x + 2x + 3x + x + 2x + x) + (-10 + 20 + 10 + - 20)

    = 12x
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