" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
1+y/4 -y<-2
-3/4y < -2-1
-3/4y < -3/*(- 4/3)
y > 4
e)
2(3z-1)+1/2>z
6z-2+1/2>z
6z-z>1,5
5z>1,5 /:5
z>0,3
f)
2z-1>1/2(z+1)
2z-1>0,5z+0,5
2z-0,5z>0,5+1
1,5z>1,5 /:1,5
z>1
g)
x+2 / 3 +1<_ x /*3+1
x+2<-x*(3+1)
x+2<-3x-x
x+4x<-2
5x<-2 / :5
x<-2/5
h)
3+u-1/2>u /*2
6+u-1>2u
u-2u>-5
-u>-5/*(-1)
u<5
i)
x- 2(x+1)/3 >1-x /*3
3x-2(x+1)>3-3x
3x-2x-2>3-3x
x+3x>3+2
4x>5/:4
x>1 1/4