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WerkoshkaDeMew
@WerkoshkaDeMew
July 2022
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Решите уравнения. Заранее спс. (/- дробь.)
а) 4-2х/3+х/6=0.
б) х/4+2=х/10-1
в) 5-х/2-х/4=х+х/3.
Алгебра. 7 класс.
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jakha9696
А) 4-2х/3+х/6=0
24-4х+х=0
3х=24
х=8
б)х/4+2=х/10-1
(х+8)/4=(х-10)/10
10х+80=4х-40
6х=-120
х=-20
в)5-х/2-х/4=х+х/3
(20-2х-х)/4=(3х+х)/3
60-9х=16х
25х=60
х=12/5
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Answers & Comments
24-4х+х=0
3х=24
х=8
б)х/4+2=х/10-1
(х+8)/4=(х-10)/10
10х+80=4х-40
6х=-120
х=-20
в)5-х/2-х/4=х+х/3
(20-2х-х)/4=(3х+х)/3
60-9х=16х
25х=60
х=12/5