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24 November, 01:45

Solve x+12/x+4=*/x+8

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  1. 24 November, 02:41
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    Cross multiply ...

    Thus,

    x (x+4) = (x+12) (x+8)

    expand ...

    x^2+4x=x^2+8x+12x+96

    Simply both sides of the equation.

    x^2+4x=x^2+20x+96

    simply further by adding ask like terms ...

    -16x=96

    Solve for x by making x the subject.

    therefore

    x=-6.
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