Question

Verify (-5/9+2/-5)+-11/18=-5/9+(2/-5+-11/18)​

Answer 1

$( \frac{ - 5}{9} + \frac{2}{ - 5} ) + \frac{ - 11}{18} = \frac{ - 5}{9} + ( \frac{2}{ - 5} + \frac{ - 11}{18} ) </p><p></p><p>\\ ( \frac{ - 5}{9} - \frac{2}{5} ) - \frac{11}{18} = - \frac{5}{9} + ( - \frac{2}{5} - \frac{11}{18} )</p><p></p><p> \\ \frac{ - 43}{45} - \frac{11}{18} = \frac{ - 5}{9} - \frac{ 91}{90} </p><p></p><p> \\ ( \frac{ - 86 - 55}{90}) = ( \frac{ - 50 - 90}{90} ) </p><p></p><p>\\ ( - \frac{141}{90} ) = ( - \frac{141}{90} )$

hence, VERIFIED

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Answer 2

Answer:

(9−5+−52)+18−11=9−5+(−52+18−11)</p><p></p><p>(9−5−52)−1811=−95+(−52−1811)</p><p></p><p>45−43−1811=9−5−9091</p><p></p><p>(90−86−55)=(90−50−90)</p><p></p><p>(−90141)=(−90141)