Question

Verify x + (why does z) equal to (x + y) + z for following values x y and z what is the answer of x equal to 3 by 4 y equal to 5 by 6 and z equal to minus 7 by 8

Answer 1

Answer:

17/24

Step-by-step explanation:

(x+y)+z

= 3/4 + 5/6 + (-7/8)

=(9+10/12) - 7/8

=19/12 - 7/8

= 38-21/24

=17/24