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3x-2mai mic 7
x = ?
calculati


Răspuns :

3x-2<7 <=> 3x<7-2 <=> 3x<5 <=> x<[tex] \frac{5}{3} [/tex] <=> x<1[tex] \frac{2}{3} [/tex]
3x-2 < 7
3x < 7+2
3x < 9
x < 9:3
x < 3
R: x=0 ; 1 ; 2