1)17-2,6=2,4+9x
-9x=2,4+2,6-17
-9x=5-17
-9x=-12
X=12/9
X=4/3
X=1целая 1/3
2)8+5,1х=49+4,9х
5.1х-4.9х=49-8
0,2х=41
Х=205
3)3,8х+38=40-3,2х
3.8х+3,2х=40-38
7х=2
Х=2/7
4)63х-13.7=1,3+65х
63х-65х=1,3+13,7
-2х=15
Х=-7,5
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Verified answer
1)17-2,6=2,4+9x
-9x=2,4+2,6-17
-9x=5-17
-9x=-12
X=12/9
X=4/3
X=1целая 1/3
2)8+5,1х=49+4,9х
5.1х-4.9х=49-8
0,2х=41
Х=205
3)3,8х+38=40-3,2х
3.8х+3,2х=40-38
7х=2
Х=2/7
4)63х-13.7=1,3+65х
63х-65х=1,3+13,7
-2х=15
Х=-7,5