Home
О нас
Products
Services
Регистрация
Войти
Поиск
Narutoshinobi
@Narutoshinobi
July 2022
1
16
Report
Решите систему уравнений:
2x+y−z=6
3x−y+2z=5
4x+2y−5z=9
Назовите значение суммы: x+y+z
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
DariosI
Verified answer
Z=2x+y-6
3x-y+2(2x+y-6)=5
4x+2y-5(2x+y-6)=9
z=2x+y-6
3x-y+4x+2y=5+12
4x+2y-10x-5y=9-30
z=2x+y-6
7x+y=17
-6x-3y=-21
z=2x+y-6
y=17-7x
6x+3(17-7x)=21
6x-21x+51=21
15x=30
x=2
y=17-7*2=3
z=2*2+3-6=1
x+y+z=2+3+1=6
3 votes
Thanks 3
×
Report "Решите систему уравнений: 2x+y−z=6 3x−y+2z=5 4x+2y−5z=9 Назовите значение суммы:..."
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
Verified answer
Z=2x+y-63x-y+2(2x+y-6)=5
4x+2y-5(2x+y-6)=9
z=2x+y-6
3x-y+4x+2y=5+12
4x+2y-10x-5y=9-30
z=2x+y-6
7x+y=17
-6x-3y=-21
z=2x+y-6
y=17-7x
6x+3(17-7x)=21
6x-21x+51=21
15x=30
x=2
y=17-7*2=3
z=2*2+3-6=1
x+y+z=2+3+1=6