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Find the solution to:


Solve: 0.9x+9<_1.7x-8

  • math -

    subtract 9
    .9x<=1.7x-17
    divide by .9

    x<= 1.7x/9-17/9
    subtract 1.7x/9 from each side
    x(1-1.7/9)<=-17/9
    x(1-.19)<=-17/9
    divide both sides by .81 and you have it.

    check my thinking.

  • math -

    0.9X + 9 <= 1.7X - 8.

    0.9X - 1.7X <= -8 -9,
    -0.8X <= -17,
    Divide both sides by -0.8 and reverse
    inequality sign:
    X >= 21.25.

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