Предмет: Математика, автор: kari77744

СРОЧНО |-х|+2=7
найдите положительное решение уравнение СРОЧНООО​

miki68: х=5
Simba2017: а -5 не подходит?

Ответы

Автор ответа: kirilltrofimov2007
0

|-х|+2=7
|х|+2=7
|х|=7-2
|x|=5
x=5. x=-5

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