Ответ:
2*(1+4х-4х)+6х=6х+2х-9х-3-2х+102+6х=-3х+79х=5х=5/9
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Ответ:
2*(1+4х-4х)+6х=6х+2х-9х-3-2х+10
2+6х=-3х+7
9х=5
х=5/9