Как решить 6 класс истер номер 1331 1) -3х+7=8-2х
Ландыш098
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25.07.2019 17:10
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-3x+2x=8-7
-x=1
x=-1
-3x+2x=8-7 знаки меняем на тех числах которые переносим через равно выходит -1x=1 потом x=1+1 ответ х=2.