Question

Verify x+(y+z) = (x+y)+z for the following values of x, y and z question = x= 2/3,y=-5/6,z=-7/9​

Answer 1

Answer:

Here↑↑↑ is three pictures...there is your answer

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Answer 2

Answer:

Step-by-step explanation:

x+(y+z) = (x+y)+z

Given: $x=\frac{2}{3},y=\frac{-5}{6},z=\frac{-7}{9}$

put the value of x , y , z .

=> $\frac{2}{3}+(\frac{-5}{6} +\frac{-7}{9})= (\frac{2}{3}+\frac{-5}{6})+\frac{-7}{9}$

=> take L.C.M of 6 , 9 and 3 , 6

=> L.C.M of 6,9 = 18

=> L.C.M of 3,6 = 6

=> $\frac{2}{3}+(\frac{-15}{18} +\frac{-14}{18})= (\frac{4}{6}+\frac{-5}{6})+\frac{-7}{9}$

=> $\frac{2}{3}+\frac{-29}{18}= \frac{-1}{6}+\frac{-7}{9}$

=> take L.C.M of 3 , 18 and 6 ,9 .

=> L.C.M of 3 , 18 = 18

=> L.C.M of 6 , 9 = 18

=> $\frac{12}{18}+\frac{-29}{18}= \frac{-3}{6}+\frac{-14}{9}$

=> $\frac{-17}{18}= \frac{-17}{18}$

verified  this equation

$\frac{2}{3}+(\frac{-5}{6} +\frac{-7}{9})= (\frac{2}{3}+\frac{-5}{6})+\frac{-7}{9}$

                                                                                                       

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