Prosiłbym o pomoc ;)2x+5<3x+4<4x+2:)
x=3
bo
2*3+5=11
3*3+4=13
4*3+2=15
11<13<15 ;]
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x=3
bo
2*3+5=11
3*3+4=13
4*3+2=15
11<13<15 ;]