Work Step by Step
$y-4.7\geq8.9\longrightarrow$ add 4.7 to both sides $y-4.7+4.7\geq8.9+4.7\longrightarrow$ add $y\geq13.6$
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.