2( x + 24 ) : 6 < 9
2(x+24)<54
2x+48<54
2x<6
x<3
Răspuns:
2 (x + 24):6 < 9
2 × x + 24 : 6 < 9
2x + 24 : 6 < 9
2x + 4 < 9
x = 4 : 2
× = 2
2 × 2 + 4 < 9
Raspuns : 8 < 9