Question

a) 3(x-1)>2(3-x) в) 5(x-1)+7_<1-3(x+2) б) -2-3x+1_<4

Answer 1

3(x-1)>2(3-x)3х-3>6-2x
3x+2x>6+3
5x>9
x>9/5
x>1.8 в) 5(x-1)+7_<1-3(x+2)5x-5+7_<1-3x-65x+2_<-3x-5
5x+3x_<-5-2
8x_<-7
x_<-7/8
б) -2-3x+1_<4
-1-3x_<4
-3x_<4+5
-3x_<9
x_<9/(-3)
x_<-3