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Автор - zlata1231

Найдите значение выражения
|2x+3|+|-5| при x=-2
А - 6
Б - 4
В - 2
Г - 12​

Ответ

Автор - Veronika724

|2x+3|+|-5| = |2x+3| + 5

При x = -2:

|-2*2+3| + 5 = |-4+3|+5 = |-1|+5 = 1 + 5 = 6

Ответ: А

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