Question

solve [9+(7-8) ]-[(21+6) -(22-15) ]​

Answer 1

★Question★:-

$9 + (7 - 8)} - {(21 + 6) - (22 - 15)}$

★Answer★:-

$9 + ( - 1) - 27 + 7 \\ 9 - 1 - 27 + 7 \\ 16 - 28 = - 12$

Answer 2

Answer:

Question :-

solve [9+(7-8) ]-[(21+6) -(22-15) ]

Required Answer :-

-26

Solution :-

$[9+(7-8) ]-[(21+6) -(22-15) ]$

$= [9 + ( - 1)] - [(27) - (7)]$

$=[ 9 - 1] - [27 - 7]$

$= (8)-(20)$

$= (8)-(20)$

$= -12$