Question

ajutatima va rog repede !!dau coroana

Answer 1

30-3x<5
Deci x poate fi 1,2,3 sau 4
30-3 x 1=30-3=27
30-3 x 2=24
30-3 x 3=21
30-3 x 4=18
coronita?

Answer 2

30-3x<5 => 30 - 5 < 3x => 3x > 25 => x > 25/3

25/3 = 8,(3)
=> x > 8,(3) => x∈{9,10,11,...}