Answer
-27
Work Step by Step
$-30+[1+(-6)+8]=-30+[-5+8]=-30+[8-5]=-30+[3]=-30+3=3+(-30)=-27$
You can help us out by revising, improving and updating this answer.
Update this answerAfter 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.