Răspunsuri

2014-11-02T13:52:04+02:00
A) 3.(2x+1)-1=32 (3.2x+3.1)-1=32 5x+3-1=32 5x+2=32 5x=32-2 5x=30 x=30:5 x=6 b)5x+1<26 5x<26-1 5x<25 x<25:5 x<5 x={1,2,3,4}
1 5 1