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s=1/2(a-b)x find b

  • math - ,

    s=1/2(a-b)x
    s = 1/2(xa) - 1/2(xb)
    s - 1/2(xa) = - 1/2(xb)
    multiply both sides by -2
    -2s + xa = xb
    divide both sides by x
    (-2s + xa)/x = b

    not a tutor, re-check

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