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Автор - Crazy235

1.(x-1)+(x+1)=0
(a+2)x=2
Помогите решить уравнения

Ответ

Автор - Svita14
1.(х-1)+(х+1)=0
{х-1=0
{х+1=0
{x₁=1
{x₂=-1
Ответ: х₁=1; х₂=-1
_________
2.(а+2)х=2
a+2x = 2
x=2/(2+a)
Ответ: х=2/(2+а)

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