Home
О нас
Products
Services
Регистрация
Войти
Поиск
winks04
@winks04
August 2022
1
5
Report
Алгебра 7 класс
НАЙДИТЕ Х, ЕСЛИ У=1;-1;-2/3;5.
1)
у=7,2-2,4х
2)
у=2/3+6х
3)
у=-3/8х+7,5
4)
у=-4,6-одна целая одна третья
Please enter comments
Please enter your name.
Please enter the correct email address.
Agree to
terms of service
You must agree before submitting.
Send
Answers & Comments
balalaica221
1)y=7,2-2,4х
2,4х=7,2-у
1. при у=1
2,4х=7.2-1
2,4х=6,2
х=6,2/2,4
х=3
2. при у=-1
2,4х=7,2+1
2,4х=8,2
х=8,2/2,4
х=41/12=3 5/12
3. при у=-2/3
2,4х=7,2+2/3
2,4х=7 3/5
2,4х=7,6
х=4
4.при у=5
2,4х=7,2-5
2,4х=2,2
х=11/12
2)у=2/3+6х
6х=у-2/3
1.6х=1/3
х=1/3:6
х=1/3*1/6=1/18
2.6х=-1 2/3
х=-5/3:6=-5/3*1/6=-5/18
3. 6х=-1 1/3
х=-4/3*1/6=-2/9
4. 6х=4 1/3
х=13/3*1/6=13/18
3)у=-3/8х+7,5
3/8х=у-7,5
1. 3/8х=-6,5
х=-13/2*8/3=-104/6=-53/3=-17 2/3
2. 3/8х=8,5
3/8х=17/2
х=17/2*8/3
х=68/3
х=22 2/3
3. 3/8х=-2/3-15/2
3/8х=-49/6
х=-49/6*3/8
х=-147/48
х=-3 3/48
х=-3 1/16
4. 3/8х=-2,5
х=-5/2*8/3
х=-40/5
х=-8
5 votes
Thanks 11
More Questions From This User
See All
winks04
August 2022 | 0 Ответы
pomogite pozhalujsta 50 ballov v urne 10 belyh 8 krasnyh i 7 chernyh sharov a iz
Answer
winks04
July 2022 | 0 Ответы
izmereniya pryamougolnogo parallelepipeda vyrazhayutsya prostymi chislami ego obem8b839f7ea14b7c16e5e1cb4c8c417a55 75317
Answer
winks04
March 2022 | 0 Ответы
perimetr treugolnika abc raven 24 sm dlina storony ab sostovlyaet 35 a dlina3dcc0b762f53a58944776db392364fe1 42004
Answer
рекомендуемые вопросы
rarrrrrrrr
August 2022 | 0 Ответы
o chem dolzhny pozabotitsya v pervuyu ochered vzroslye pri organizacionnom vyvoze n
danilarsentev
August 2022 | 0 Ответы
est dva stanka na kotoryh vypuskayut odinakovye zapchasti odin proizvodit a zapcha
myachina8
August 2022 | 0 Ответы
najti po grafiku otnoshenie v3v1 v otvetah napisano 9 no nuzhno reshenie
ydpmn7cn6w
August 2022 | 0 Ответы
Choose the correct preposition: 1.I am fond (out,of,from) literature. 2.where ar...
millermilena658
August 2022 | 0 Ответы
opredelite kak sozdavalas i kto sozdaval arabskoe gosudarstvo v kracii
MrZooM222
August 2022 | 0 Ответы
ch ajtmanov v rasskaze krasnoe yabloko ispolzuet metod rasskaz v rasskaze opi
timobila47
August 2022 | 0 Ответы
kakovo bylo naznachenie kazhdoj iz chastej vizantijskogo hrama pomogite pozhalujsta
ivanyyaremkiv
August 2022 | 0 Ответы
moment. 6....
pozhalujsta8b98a56c0152a07b8f4cbcd89aa2f01e 97513
sarvinozwakirjanova
August 2022 | 0 Ответы
pomogite pozhalusto pzha519d7eb8246a08ab0df06cc59e9dedb 6631
×
Report "8х+7,5 4) у=-4,6-одна целая одна третья..."
Your name
Email
Reason
-Select Reason-
Pornographic
Defamatory
Illegal/Unlawful
Spam
Other Terms Of Service Violation
File a copyright complaint
Description
Helpful Links
О нас
Политика конфиденциальности
Правила и условия
Copyright
Контакты
Helpful Social
Get monthly updates
Submit
Copyright © 2025 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
2,4х=7,2-у
1. при у=1
2,4х=7.2-1
2,4х=6,2
х=6,2/2,4
х=3
2. при у=-1
2,4х=7,2+1
2,4х=8,2
х=8,2/2,4
х=41/12=3 5/12
3. при у=-2/3
2,4х=7,2+2/3
2,4х=7 3/5
2,4х=7,6
х=4
4.при у=5
2,4х=7,2-5
2,4х=2,2
х=11/12
2)у=2/3+6х
6х=у-2/3
1.6х=1/3
х=1/3:6
х=1/3*1/6=1/18
2.6х=-1 2/3
х=-5/3:6=-5/3*1/6=-5/18
3. 6х=-1 1/3
х=-4/3*1/6=-2/9
4. 6х=4 1/3
х=13/3*1/6=13/18
3)у=-3/8х+7,5
3/8х=у-7,5
1. 3/8х=-6,5
х=-13/2*8/3=-104/6=-53/3=-17 2/3
2. 3/8х=8,5
3/8х=17/2
х=17/2*8/3
х=68/3
х=22 2/3
3. 3/8х=-2/3-15/2
3/8х=-49/6
х=-49/6*3/8
х=-147/48
х=-3 3/48
х=-3 1/16
4. 3/8х=-2,5
х=-5/2*8/3
х=-40/5
х=-8