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19-6x/7 +x-1/5 _>x/2 -7x-12/5

196x7 X15 Gtx2 7x125 class=

Răspuns :

(19-6x)/7-(x-1)/5≥x/2-(7x-12)/5
190-60x-14x+14≥35x-98x+168    nmc=70
-74x+63x≥168-204
-11x≥-36
x≥36/11
x≥3,27