3,4х+0,65=0,9х-25,6
3,4х-0,9х=-25,6-0,65
2,5х=-26,25
х=-10,5
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3,4х+0,65=0,9х-25,6
3,4х-0,9х=-25,6-0,65
2,5х=-26,25
х=-10,5