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3×(2x-7)<2×(2x-1)+6 găsiți x.ul

Răspuns :

6x - 21 < 4x + 4

2x < 25

x < 25/2

x apartine ( - infinit ; 25/2)
[tex]3*(2x-7)\ \textless \ 2*(2x-1)+6\\ 6x-21\ \textless \ 4x-2+6\\ 6x-4x\ \textless \ 4+21\\ 2x\ \textless \ 25\\ x\ \textless \ \frac{25}{2} [/tex]
x∈(-infinit; 25/2)