Răspunsuri

2014-05-12T19:32:17+03:00
A ) 3,44x-6,14=8,16+1,24x
3,44x-1,24x=8,16+6,14
2,20x=14,3
x=14,3:2,20
x=6,5

b)
3,4< sau egal2x+1<sau egal 5,6
3,4<sau egal 5,6<sau egal 2x+1
9<sau egal2x+1
2x< sau egal 9+1
2x < sau egal 10
x< sau egal 10:2
x < sau egal 5

1 5 1