Предмет: Математика, автор: potsepkin02

найдите корни уравнения ( 0,6+2x ) ( 7x-2,8 )=0

Ответы

Автор ответа: blublablubla

7

0,6+2х=0 7х-2,8=0
2х=-0,6:2 7х=2,8:7
х= -0,3 х=0,4

potsepkin02: спс

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