Question

решите неравенство номер 1046,1047 помогите пж

Answer 1

9- 5x+1/2>x+5
9-5+1/2>x+5x
6x<9/2
X<3/4


1,75+ 2x/31 3/4 + 2/3x 1 3/4-1 2/3 < x-2/3x
1/12<1 3x
1/4


4+y/2-y+2/7-y+y/2-y<3-2/7-4
-1 1/2y<-1 2/7
1 1/2y>1 2/7
y>1 2/7:1 1/2
y> 6/7



4+7y-3/5>3y+5/4-3y/2
7y-3y+3/2y>5/4-4+3/5
5 1/2y>-2 3/20
y>-1 21/22