Question

verify that . plss help me !​

Answer 1

Step-by-step explanation:

-1/2+{(-4/3)+3/7}

-1/2+(-19/21)

-21-38/42

-59/42

{-1/2+3/7}-4/3

(-7+6/14)-4/3

-1/14-4/3

-3-56/42

-59/42

they are equal