👤

ajutati-ma va roggg frumos Sa se rezolve in R inecuatia:
a) 2x<3x+6
b) 3-2x>7x-2


Răspuns :

[tex]\displaystyle a).2x\ \textless \ 3x+6 \\ 2x-3x\ \textless \ 6 \\ -x\ \textless \ 6 \\ x\ \textgreater \ -6 \\ b).3-2x\ \textgreater \ 7x-2 \\ -2x-7x\ \textgreater \ -2-3 \\ -9x\ \textgreater \ -5 \\ x\ \ \textless \ \ \frac{5}{9} [/tex]