Question

[(16-24)+(21-7)]+[(-10-5)+7] ayudenmeeeeeeeeeeeeeeeeeeeeeeeeee

Answer 1

$[(16-24)+(21-7)]+[(-10-5)+7] = \\(- 8 + 14) + ( - 15 + 7) = \\ 6 + ( - 8) = \\ 6 - 8 = \\ - 2$