Solve the inequality. k + 4 – 2(k – 12) > 0 k > 28 k > –20

Question

Solve the inequality.

k + 4 – 2(k – 12) > 0

k > 28

k > –20

k < –20

k < 28

in progress 0
Nem 3 months 2021-07-25T17:47:34+00:00 2 Answers 3 views 0

Answers ( )

    0
    2021-07-25T17:48:45+00:00

    Answer:

    k < 28

    Step-by-step explanation:

    Given inequality :

    • k + 4 – 2( k – 12 ) > 0
    • k + 4 – 2k + 24 > 0
    • -k + 28 > 0
    • 28 > k
    • k < 28

    Last Option is correct .

    0
    2021-07-25T17:49:24+00:00

    k<28

    Step 1: Simplify both sides of the inequality.

    −k+28>0

    Step 2: Subtract 28 from both sides.

    −k+28−28>0−28

    −k>−28

    Step 3: Divide both sides by -1.

    −k
    /−1  >  −28
    /−1

    k<28

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )