desirjeanpierre desirjeanpierre

20-02-2017
Mathematics

contestada

Evaluate the expression:7+[(-49)÷7]\7

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0w0leet 0w0leet

04-03-2017

in this case, the brackets don't really matter: 7+[(-49)÷7]\7 = 7+(-49/7)/7
Evaluate -49/7 first which is -7
7+7/7
then do 7/7 which is 0
7+0=7
Answer is 7
Hope this helps

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