Answer
22
Work Step by Step
-2+3[5-(7-10)]=
-2+3[5-(-3)]=
-2+3[5+3]=
-2+3$\times8$=
-2+24=22
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.