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dond1
@dond1
July 2022
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помогите решить уравнения.
7y+9-5y=13 8e-14=6e+4
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Oksana14011977
1)
7у + 9 - 5у = 13
2у + 9 = 13
2у = 13 - 9
2у = 4
у = 4 : 2
у = 2
проверка:
7 * 2 + 9 - 5 * 2 = 13
14 + 9 - 10 = 13
13 =13
2)
8е - 14 = 6е + 4
8е - 6е = 4 + 14
2е = 18
е = 18 : 2
у = 9
проверка:
8 * 9 - 14 = 6 * 9 + 4
72 - 14 = 54 + 4
58 = 58
2 votes
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Answers & Comments
7у + 9 - 5у = 13
2у + 9 = 13
2у = 13 - 9
2у = 4
у = 4 : 2
у = 2
проверка:
7 * 2 + 9 - 5 * 2 = 13
14 + 9 - 10 = 13
13 =13
2)
8е - 14 = 6е + 4
8е - 6е = 4 + 14
2е = 18
е = 18 : 2
у = 9
проверка:
8 * 9 - 14 = 6 * 9 + 4
72 - 14 = 54 + 4
58 = 58