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anyutavolko2018
@anyutavolko2018
July 2022
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решите уравнение
7-х/3=x+8
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TigerYa
Verified answer
7- Х/3 = Х+ 8
-Х/3= Х + 8 -7
-Х/3 - Х = 1
- 1 1/3 • Х = 1
-(1•3+1)/3• Х = 1
- 4/3•Х= 1
Х= 1 : (-4/3)
Х= 1• (-3/4)
Х= -3/4 = -0,75 Ответ
Проверка
7- Х/3= Х + 8
7- ((-0,75)/3)= -0,75+8
7+ 0,75/3= 8- 0,75
7+ 0,25= 7,25
7,25=7,25
5 votes
Thanks 4
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Answers & Comments
Verified answer
7- Х/3 = Х+ 8
-Х/3= Х + 8 -7
-Х/3 - Х = 1
- 1 1/3 • Х = 1
-(1•3+1)/3• Х = 1
- 4/3•Х= 1
Х= 1 : (-4/3)
Х= 1• (-3/4)
Х= -3/4 = -0,75 Ответ
Проверка
7- Х/3= Х + 8
7- ((-0,75)/3)= -0,75+8
7+ 0,75/3= 8- 0,75
7+ 0,25= 7,25
7,25=7,25