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19 July, 16:09

3x + x + x + x - 3 - 2 = 7 + x + x In the equation above, what is the value of x? A) - 5 7 B) 1 C) 12 7 D) 3

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  1. 19 July, 19:33
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    x=3

    Step-by-step explanation:

    3x + x + x + x - 3 - 2 = 7 + x + x

    Combine like terms

    6x - 5 = 7+2x

    subtract 2x from each side

    6x-2x - 5 = 7+2x-2x

    4x - 5 = 7

    Add 5 to each side

    4x-5 + 5 = 7+5

    4x = 12

    Divide by 4

    4x/4 = 12/4

    x=3
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