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16 February, 13:47

What is the value of x in the equation 8 + 4 = 2 (x minus 1) ?

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  1. 16 February, 14:15
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    x = 7

    Step-by-step explanation:

    The equation is 8+4 = 2 (x-1)

    Distribute into the parenthesis.

    8+4 = 2x-2

    Now, add.

    12 = 2x-2

    Add 2 to both sides.

    12 = 2x-2

    +2 + 2

    Then, divide by 2 to both sides to isolate the variable.

    14 = 2x

    2 2

    x=7
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