Kixcertborn2

Verified answer

 [2x+38]=7

2x+38=7            x₁=-(31/2)

2x+38=-7           x₂=-(45/2)


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[2x-1]≤3



2x-1≤3, 2x-1≥0

-(2x-1)≤3, 2x-1<0



x≤2, x≥1/2

x≥-1, x<1/2


x∈[1/2,2]

x∈[-1,1/2]

Точки пересечения и ответ:

x∈[-1,2]