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jessiepooh
jessiepooh jessiepooh
  • 18-01-2016
  • Mathematics
Answered

the sum of twelve and a number is no greater than sum of twice the number and -8

Verified Answer :

charlostheunicorn charlostheunicorn
  • 18-01-2016
  1. Write as an algebraic equation:

    12 + n ≤ 2n - 8

    2. Solve for n.

    12 + n - 12 ≤ 2n - 8 - 12

    n ≤ 2n - 20

    n - 2n ≤ 2n - 20 - 2n

    -n ≤ -20

    Multiply both sides by -1 (this means you must flip the inequality sign).

    n ≥ 20

    FINAL ANSWER: n ≥ 20

    Hope this helps! Feel free to ask for clarification.
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