Work Step by Step
8≤f−4 : add 4 to both sides 8+4≤f−4+4 : simplify 12≤f Verify that 12 is a solution at the endpoint. 8=?12−4 8=8✓ Verify that a number greater than 12 is a solution. 8≤?14−4 8≤10✓
You can help us out by revising, improving and updating this answer.Update this answer
After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.