Question

verify x+(y+z)=(x+y)+z for following values of x,yandz x=2/3,y=-5/6,z=-7/9​

Answer 1

Step-by-step explanation:

answer is given in image I provide

Answer 2

Answer:

2/3+(-5/6+-7/9)=(2/3-5/6)-7/9

2/3+(-15/18-14/18)=(4-5/6)-7/9

2/3-29/18=-1/6-7/9

12_29/18=-3-14/18

-17/18=-17/18