Question

Determinati numerele naturale x pentru care fractia $\frac{23}{3x+2}$ este supraunitara.

Dau coronita

Answer 1

$\frac{23}{3x+2}-supraunitara \Rightarrow 23\ \textgreater \ 3x+2. \\ \\ 3x+2\ \textless \ 23 \\ \\ 3x\ \textless \ 21 \\ \\ x\ \textless \ 7 \\ \\ \underline{Solutie}: \{0,1,2,3,4,5,6 \}.$

Answer 2

$\frac{23}{3x+2}$
3x+2<23
3x<21
x<7
x={0,1,...,6}