SOLUTION: Need help. {19-2[4+(-9)]}-18 divided by radical 25-16

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Question 841720: Need help. {19-2[4+(-9)]}-18 divided by radical 25-16
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
{19-2[4+(-9)]}-18/5-16
{19-2[-5]}-18/-11
{19+10}-18/-11
11/-11=-1