Question

Solve –2k + 12 < 30 for k.

Answer 1

Answer: The correct answer is k>-9

Explanation:

-2k + 12 < 30

-2k +12-12 < 30-12

-2k < 18

-2k/-2< 18/-2

k > -9

Hope this helps! :)

Answer 2

k > -9

Explanation:

Subtract 12 from both sides as we want to isolate k-

30 - 12 = 18

-2k < 18

Divide both sides by -2

18/-2 = -9

k > -9