Предмет: Алгебра, автор: numik

Сумма всех корней уравнения |2x+3|=4

Ответы

Автор ответа: hasulisa

2x+3 = 4 если 2x+3>0

2x+3 = -4 если 2х+3<0

2x=1
x=0,5

2x=-7
x=-3,5

0,5-3,5 = 3

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