danapearson danapearson
  • 11-10-2016
  • Mathematics
contestada

Solve for k. -6 ≤ -2k + 4 ≤ 2

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amin112 amin112
  • 11-10-2016
-6 ≤ -2k+4 ≤ 2
-6-4
≤ -2k+4-4 ≤ 2-4
-10
≤ -2k ≤ -2
-10/-2
≤ -2k/-2 ≤ -2/-2
5
≥ k ≥ 1
Sign changes because you multiply all sides with minus
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