Răspuns :
Trecem in parte cealaltă cu semn schimbat:
0,8X+0,7X>3,77-1,73
1,5X>2,04
X>2,04:1,5
X>1,36
X={2,3,4,...}
0,8X+0,7X>3,77-1,73
1,5X>2,04
X>2,04:1,5
X>1,36
X={2,3,4,...}
0,8×+1,73>3,77-0,7
0,8x+0,7x>3,77-1,73
1,5x>2,04
x>2,04:1,5
x>1,36
x={2,4,6,8,...}
0,8x+0,7x>3,77-1,73
1,5x>2,04
x>2,04:1,5
x>1,36
x={2,4,6,8,...}
