Предмет: Математика, автор: cthmuf

по графику у=-1/2х+4 найдите значение х,при у=-3

Ответы

Автор ответа: valushka5

-3=-1/2х+4
1/2х=7
х=14

Автор ответа: Vbifsl01

3=0,5x+4
3-4=0,5x
-1=0,5x
X=-1:0,5x
X= -2

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