Proszę o rozwiązanie nierówności:
1)|x|>1
2)|y+1|<2
3)|1-3x|>-1
4)2<|x|<4
5)|2x-5|<6
6)|x-5|<7
7)|x|<5
1. |x|>1
x>1 , x<-1
2. |y+1|<2
y+1<2 , y+1>-2
y<1 , y>-3
3. |1-3x|>-1
1-3x>-1 , 1-3x<1
-3x>-2\:(-3) , -3x<0\:(-3)
x<2\3 , x>0
4. 2<|x|<4
2<|x| , |x|<4
2<x , -2>x , x<4 , x>-4
5. |2x-5|<6
2x-5<6 , 2x-5>-6
2x<11 , 2x>-1
x<11/2 , x>-1/2
6. |x-5|<7
x-5<7 , x-5>-7
x<12 , x>-2
7. |x|<5
x<5 , X>-5
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1. |x|>1
x>1 , x<-1
2. |y+1|<2
y+1<2 , y+1>-2
y<1 , y>-3
3. |1-3x|>-1
1-3x>-1 , 1-3x<1
-3x>-2\:(-3) , -3x<0\:(-3)
x<2\3 , x>0
4. 2<|x|<4
2<|x| , |x|<4
2<x , -2>x , x<4 , x>-4
5. |2x-5|<6
2x-5<6 , 2x-5>-6
2x<11 , 2x>-1
x<11/2 , x>-1/2
6. |x-5|<7
x-5<7 , x-5>-7
x<12 , x>-2
7. |x|<5
x<5 , X>-5