Решите уравнения
1) 5x +4,3=7.8
2)2y+3,1=4.8
3)3y+y+9.52=10,4
4)7y-2y-5,6=10;3
1) 5x +4,3=7.8
2)2y+3,1=4.8
3)3y+y+9.52=10,4
4)7y-2y-5,6=10;3
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Answers & Comments
Ответ:
1) 5х=7,8-4,3
5х=3,5
х=0,7
2) 2у=4,8-3,1
2у=1,7
у=0,85
3) 4у=10,4-9,52
4у=0,88
у=0,22
4) 5у=10,3-5,6
5у=4,7
у=0,94