решите уравнение:
1)3.4х-4=4.8-х
2)5-3х=2х-8
3)21х+45=17+14х
4)х=2/3х+1
5)х-2/3=5/6х
6)2/3у-1/3=5/9у
1)3.4х-4=4.8-х
2)5-3х=2х-8
3)21х+45=17+14х
4)х=2/3х+1
5)х-2/3=5/6х
6)2/3у-1/3=5/9у
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Answers & Comments
4.4x=8.8
x=2
2)
-5x=-13
x=2.6
3)
7x=-28
x=-4
4)
x=1/3(2x+3)
x=3
5)
x/6-2/3=0
x-4=0
x=4
6)
y/9-1/3=0
y=3