Question

19+[(-3) +9] = [19 +(-3)] +9​

Answer 1

Answer:

19+[-3+9] =[19-3]+9

19+6 = 16+9

25 = 25

Answer 2

$\small \underline \mathfrak \color{red}Question:-$

19+[(-3) +9] = [19 +(-3)] +9

⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀

$\small \underline \mathfrak \color{red}Answer:-$

$19+[(-3) +9] = [19 +(-3)] +9$

⠀⠀⠀⠀⠀$19 + ( 6) = (19 - 3) + 9$

⠀⠀⠀⠀⠀⠀⠀⠀⠀$25 = 16 + 9$

⠀⠀⠀⠀⠀⠀⠀⠀⠀25 = 25

⠀⠀⠀⠀⠀⠀⠀⠀LHS = RHS