Question

срочно решите систему неравенств
{0,4-1<0,5x-1,7
{2,7x-10<0,9x-1

{1-0,5x<4-x
{9-2,8x>6-1,3x

Answer 1

-0.5x<-1.7+1-0.4
-0.5x<-1.1
x=2.2
2.7x-0.9х>-1+10
1.8х>9
x=5


-0.5x+x<4-1
0.5x<3
х=6
-2.8х+1.3х>6-9
-1.5х>-3
x=2