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gafarovakarina
@gafarovakarina
August 2022
1
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Помогите Срочно
Решить уравнения
1)7(2x+9)+3x=114
2)3(4x+13)-25=74
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Svita14
1)7(2x+9)+3x=114
14х+63+3х=114
14х+3х=114-63
17х=51
х=51:17
х=3
Ответ: х=3
______________
2)3(4x+13)-25=74
12х+39-25=74
12х=74+25-39
12х=60
х=60:12
х=5
Ответ: х=5
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Answers & Comments
14х+63+3х=114
14х+3х=114-63
17х=51
х=51:17
х=3
Ответ: х=3
______________
2)3(4x+13)-25=74
12х+39-25=74
12х=74+25-39
12х=60
х=60:12
х=5
Ответ: х=5