3/5 x + 10 - 1/2 x + 1 = 20
0,6x+10-0,5x+1=20
0,1x=20-10-1
0,1x=9|:0,1
x=90
3\5x -1\2x = 20 - 10 -1
6\10x -5\10x = 9
1\10x = 9 \ : 1\10
x= 9 razy 10\1
x= 90
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3/5 x + 10 - 1/2 x + 1 = 20
0,6x+10-0,5x+1=20
0,1x=20-10-1
0,1x=9|:0,1
x=90
3\5x -1\2x = 20 - 10 -1
6\10x -5\10x = 9
1\10x = 9 \ : 1\10
x= 9 razy 10\1
x= 90