-0,2х+7= -1,6х
-0,2х+1,6x=-7
1,4x= -7
x= -7 : 1,4
x= -5
Ответ: x= -5
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-0,2х+7= -1,6х
-0,2х+1,6x=-7
1,4x= -7
x= -7 : 1,4
x= -5
Ответ: x= -5