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11GAZ11GAZ11
@11GAZ11GAZ11
August 2022
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Решите уравнения:
1)87 : (4x + 5) = 3
2)17 * (3x - 16) = 85
3)9 * (6x - 13) = 153
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Answers & Comments
Svita14
1)87:(4х+5)=3
4х+5=87:3
4х+5=29
4х=29-5
4х=24
х=24:4
х=6
Ответ: х=6
_____________
2)17*(3х-16)=85
51х-272=85
51х=85+272
51х=357
х=357:51
х=7
Ответ: х=7
_____________
3)9*(6х-13)=153
54х=117=153
54х=153+117
54х=270
х=270:54
х=5
Ответ: х=5
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Answers & Comments
4х+5=87:3
4х+5=29
4х=29-5
4х=24
х=24:4
х=6
Ответ: х=6
_____________
2)17*(3х-16)=85
51х-272=85
51х=85+272
51х=357
х=357:51
х=7
Ответ: х=7
_____________
3)9*(6х-13)=153
54х=117=153
54х=153+117
54х=270
х=270:54
х=5
Ответ: х=5