1)
4x-2,6x=42
1,4x=42
X= 42 : 1,4
X= 30
2)
3,9x+4,2x= 0,81
8,1x=0,81
X= 0,1
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Answers & Comments
1)
4x-2,6x=42
1,4x=42
X= 42 : 1,4
X= 30
2)
3,9x+4,2x= 0,81
8,1x=0,81
X= 0,1