Ответ: - 10/18
Пошаговое объяснение:
5 (5/6 +x)-2/3=13/18
5 (5/6 +x)=2/3+13/18
5 (5/6 +x)=12/18+13/18
5 (5/6 +x)=25/18
5/6 +x=25/18:5
5/6 +x=25/18×1/5
5/6 +x=5/18
x=5/18-5/6
x=5/18-15/18
х= -10/18
-------------------
проверка
5 (5/6 -10/18)-2/3=13/18
5× 5/18-2/3=13/18
25/18-12/18=13/18
13/18=13/18
Ответ:
-5/9
5(5/6 + х) - 2/3 = 13/18
5(5/6 + х) = 13/18 + 2/3
5(5/6 + х) = 13/18 + 12/18
5(5/6 + х) = 25/18
5/6 + х = 25/18 : 5
5/6 + х = 25/18 * 1/5
5/6 + х = 5/18 * 1/1
5/6 + х = 5/18
х = 5/18 - 5/6
х = 5/18 - 15/18
х = -10/18
х = -5/9
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
Verified answer
Ответ: - 10/18
Пошаговое объяснение:
5 (5/6 +x)-2/3=13/18
5 (5/6 +x)=2/3+13/18
5 (5/6 +x)=12/18+13/18
5 (5/6 +x)=25/18
5/6 +x=25/18:5
5/6 +x=25/18×1/5
5/6 +x=5/18
x=5/18-5/6
x=5/18-15/18
х= -10/18
-------------------
проверка
5 (5/6 -10/18)-2/3=13/18
5× 5/18-2/3=13/18
25/18-12/18=13/18
13/18=13/18
Ответ:
-5/9
Пошаговое объяснение:
5(5/6 + х) - 2/3 = 13/18
5(5/6 + х) = 13/18 + 2/3
5(5/6 + х) = 13/18 + 12/18
5(5/6 + х) = 25/18
5/6 + х = 25/18 : 5
5/6 + х = 25/18 * 1/5
5/6 + х = 5/18 * 1/1
5/6 + х = 5/18
х = 5/18 - 5/6
х = 5/18 - 15/18
х = -10/18
х = -5/9