Question

please answer..... ​

Answer 1

Step-by-step explanation:

HOPE IT clear to you please mark as brilliant answer

Answer 2

Step-by-step explanation:

L. H. S:4/9-(-7/9-(-2/3)

4/9-(-7/9+2/3)

4/9-(-7/12+8/12)

4/9-(-1/9)

4/9+1/12

16/36+3/36=19/36

RHS-(4/9-(7/9))-(-2/3)

(4/9+7/12)-(-2/3)

(16/36+21/36)+2/3

37/36+2/3

37/36+26/36=63/36

HENCE PROVED