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MeowLover17

  • one year ago

Andrew solved the following inequality, and his work is shown below: −4(x + 8) + 25 ≤ −2 + 1(x − 50) −4x − 32 + 25 ≤ −2 + 1x − 50 −4x − 7 ≤ 1x − 52 −5x ≤ −45 x ≤9 What mistake did Andrew make in solving the inequality?

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  1. MeowLover17
    • one year ago
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    @math&ing001

  2. MeowLover17
    • one year ago
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    A. He subtracted 1x from both sides when he should have added 4x. B.When dividing by −5, he did not change the ≤ to ≥. C.He added 7 to both sides when he should have added 52. D.He did not make a mistake.

  3. MeowLover17
    • one year ago
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    I saw no mistake but i could be wrong.

  4. welshfella
    • one year ago
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    when dividing both sides by a negative you have to flip the signs

  5. MeowLover17
    • one year ago
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    Oh okay so the answer is B.

  6. welshfella
    • one year ago
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    yes

  7. MeowLover17
    • one year ago
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    Thanks for your help @welshfella

  8. welshfella
    • one year ago
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    yw

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