Ответ:
3^x+2+ 3^x+2+3^х< 30;
(3^2+1)*3^x< 30
(9+1)*3^x< 30
10*3^x< 30
3^x<3
3^x<3^1
x<1
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Verified answer
Ответ:
3^x+2+ 3^x+2+3^х< 30;
(3^2+1)*3^x< 30
(9+1)*3^x< 30
10*3^x< 30
3^x<3
3^x<3^1
x<1