-4(-7+6х)=-9х-5 решите уравнение. Created by armarm. algebra-ru

-4(-7+6х)=-9х-5 решите уравнение...

armarm @armarm

June 2022 1 31 Report

-4(-7+6х)=-9х-5 решите уравнение

Answers & Comments

isaevaelenka

Verified answer

-4(-7+6х)=-9х-5
28-24х=-9х-5
-24х+9х=-5-28
-15х=-33
х=-33:(-15)
х=2,2
проверка
-4(-7+6*2,2)=-9*2,2-5
-4(-7+13,2)=-19,8-5
-4*6,2=-24,8
-24,8=-24,8
Ответ: х=2,2

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