Решите уравнение: 1)7|x|-4=|x| 2)6|x|+|x|-3=5|x|. Created by Danik558. matematika-ru

Решите уравнение: 1)7|x|-4=|x| 2)6|x|+|x|-3=5|x|...

Danik558 @Danik558

August 2022 1 7 Report

Решите уравнение: 1)7|x|-4=|x| 2)6|x|+|x|-3=5|x|

Answers & Comments

KristinDaae 1)7|x|-4=|x|
7х-4=х
7х-х=4
6х=4
х=4/6=2/3
2)6|x|+|x|-3=5|x|
6х+х-3=5х
7х+3=5х
7х-5х=-3
2х=-3
х=-1,5

1 votes Thanks 2

Линэлла Решение: 1). 7[x]-4=[х], 6[x]=4, [x]=4/6=2/3, x=2/3 или x = - 2/3.

Линэлла 2). 6[x]+[x]-3 = 5[x], 2[x] =3, [x]=1,5, x=1,5 или x=-1,5

Линэлла 1). 7[x]-4=[х], 6[x]=4, [x]=4/6=2/3, x=2/3 или x = - 2/3;

Линэлла 2). 6[x]+[x]-3 = 5[x], 2[x] =3, [x]=1,5, x=1,5 или x=-1,5

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Answers & Comments

postavit v modalnuyu formu na anglijskom ya mogu petya dolzhen risovatmozhno m

v morozhenom moloko sostavlyaet 6 chastejsuhie molochnye produkty 2 chastisahar i

spishivstavlyayagde nuzhnogde nuzhnopropushennye bukvydaj tolkovoe znachenie vydel

study these with your teacher1 stolbik countable orangesapplesbananasgraper

igra pochemuchka obyasni pravopisanie bezudarnoj glasnoj v korne slovaocharova57ceb3f5487cc12c6be42d43cd033057 17986

foneticheskij razbor slov yasnobedamayakveersvoyayakor

igra pochemuchka obyasni pravopisanie bezudarnoj glasnoj v korne slovaocharova073ba9090825cc6bfe94fdbb361d770b 9229

na koordinatnoj pryamoj najdite koordinatu tochki sravnoudalennoj ot tochki a 6b65d1375193c958adac4a04b25f11c9d 90614

20 36u1946cb329228a9701e3df547311cdd3225c 62785

vychislite 1 3556301 2 2383502 3 6312703 4 61 350

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