Work Step by Step
Because multiplication is before subtraction and addition in order of operations, we first multiply and then we add and subtract. $-8+(-20)-(-42)-27 = -8-20+42-27=-13$
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.