Math

7(x-2)+3(x+2)=5(x-6) x=?

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  1. Jon, Anne, Tom, Jonah --

    I solved your first two problems. Now it's your turn. We'll be glad to check your answers.

  2. 7(x-2)+3(x+2)=5(x-6)

    7*x-7*2+3*x+3*2=5*x-5*6

    7x-14+3x+6=5x-30

    7x+3x-5x= -30+14-6

    5x= -22 Divide with 5

    x= -22/5

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  3. I got a different answer, Anonymous.

  4. 7(x-2)+3(x+2)=5(x-6)
    7x-14+3x+6=5x-30 -distribute
    10x-14+6=5x-30 -combine like terms
    10x-8=5x-30 -get x's on 1 side
    5x-8=-30
    5x=-22 -isolate the x

    x=-22/5

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