Question

2^x+2^x+2<20     помогите пожалуйста решить)

Answer 1

2^x+2^x+2<20     20 = 2^63.2

 

x+x+1<6/3.2

3.2x+3.2x+3.2<6

3.2x+3.2x+3.2-6<0

6.4x<2.8

x< 0,4

 

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                                         0,4