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math

posted by on .

Hi I was wondering if someone could help me with this.

4x+8=4

I thought that x= 3
however my dad thought x-1

Thanks for the help!

  • math - ,

    your dad is right. x = -1

  • math - ,

    4x+8=4
    -8 -8
    4x=-4

    -4/4 = -1

  • math - ,

    Thanks for all of the help everyone!!!

  • math - ,

    4x+8=4

    4x + 8 - 8 = 4 - 8
    4x = -4
    x = -1

    Let's prove it.

    (4 * -1) + 8 = 4
    -4 + 8 = 4

    Your dad wins! :-)

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