Предмет: Алгебра, автор: maribagvaramadze

7(8z−10)−25(4z+3)=3(5z−6)+z−7
НАЙДИТЕ ЧЕМУ РАВНА Z
ПОМОГИТЕ,ПОЖАЛУЙСТА

Ответы

Автор ответа: taisasnitko
1

56z-70-100z-75=15z-18+z-7

-44z-16z= 70+75 -18-7

-60z=120

z= - 2.


Автор ответа: beautysandra
1
вроде так........))))
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