Question

9(х + 7) = -х
помогите

Answer 1

$9(x + 7) = - x \ 9x + 63 = -x \ 9x + x = -63 \ 10x = -63 \ x = -63 div 10 \ x = -6.3$

Answer 2

не кида жадобу

Answer 3

не буду

Answer 4

исправь

Answer 5

всё

Answer 6

молодец