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8th Math

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-5x-10 = 2-(x+4)

  • 8th Math - ,

    -5x - 10 = 2 - (x + 4)

    -4x = 12 - 4

    -4x = 8

    x = -2

  • 8th Math - ,

    Thx Ms.Sue! But why the +4 became -4? I confused with this part

  • 8th Math - ,

    There's a minus sign in front of the quantity in parentheses

    2 - (x + 4)

    A + and a - is always a minus.

  • 8th Math - ,

    what if there's a sign of positive in front of the quantity in parenthese, such like 2+(x+4)....which mean the +4 will be staying the same as +4?

  • 8th Math - ,

    Yes.

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