Ответ:
А)
5х+3=27-3х
5х+3х=27-3
8х=24
Х=3
В)
6а+24=2а+13
6а-2а=13-24
4а=-11
а=2.75
б)
2у-12=18-4у
2у+4у=18+12
6у=30
У=5
Г)
4.7-8х=4.9-10х
10х-8х=4.9-4.7
2х=0.2
Х=0.1
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Answers & Comments
Ответ:
А)
5х+3=27-3х
5х+3х=27-3
8х=24
Х=3
В)
6а+24=2а+13
6а-2а=13-24
4а=-11
а=2.75
б)
2у-12=18-4у
2у+4у=18+12
6у=30
У=5
Г)
4.7-8х=4.9-10х
10х-8х=4.9-4.7
2х=0.2
Х=0.1