Предмет: Алгебра, автор: АСЯ999999999

I7х-l3х+17ll=2х+5 помогите решить!!!

Ответы

Автор ответа: sedinalana

1)7x-|3x+17|=-2x-5
|3x+17|=9x+5
x<-17/3
3x+17=-9x-5
12x=-22
x=-11/6
не удов усл
x≥-17/3
3x+17=9x+5
6x=12
x=2
2)7x-|3x+17|=2x+5
|3x+17|=5x-5
x<-17/3
3x+17=-5x+5
8x=-12
x=-3/2
не удов усл
x≥-17/3
3x+17=5x-5
2x=22
x=11

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