Ответ:
-2х=1
-2х÷(-2) =1÷(-2)
х=1÷(-2)
х=-1÷2
х=-1/2 или-0, 5
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Ответ:
-2х=1
-2х÷(-2) =1÷(-2)
х=1÷(-2)
х=-1÷2
х=-1/2 или-0, 5