Ребята, решите плиз
0.2×(х-2)-0.4×(х+3)=0.4-0.6х
и
0.2×(х-3)-1=0.5×(х+3)-0.4
0.2×(х-2)-0.4×(х+3)=0.4-0.6х
и
0.2×(х-3)-1=0.5×(х+3)-0.4
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Answers & Comments
0,2х-0,4х+0,6х=0,4+0,4+1,2
0,4х=2
х=5
0,2х-0,6-1=0,5х+1,5-0,4
0,2х-0,5х=1,5-0,4+1+0,6
-0,3х=2,7
х=-9