Question

-6(7+9x)=9x+9 помогите

Answer 1

-6(7+9х)=9х+9
-42-54х=9х+9
-54х-9х=9+42
-63х=51
х=51/(-63)
Ответ:51/(-63)

Answer 2

-42-54x=9x+9, -54x-9x=9+42, -63x=51, x=-51/63.