rozwiarz nieruwnosci x+7>3 2) 2x+33x+6 5) 4x>5(x+1) 6) 2(x-1)3(2x-1) 8) 12(x-0.5)>6(2x+1)+5 9) 18(x+1)-10(0.5x+2)>-5x-2 11)6.5_x>0.5(x+1) 12) 0.2(x+2)<4.4-x prosze rozpisac przyklady
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1) x+7 >3
x>-4
5) 4x> 5(x+1)
4x> 5x +5
-x> 5
x<-5
9) 18(x+1)-10(0.5x +2)>-5x-2
18x+1-5x+20>-5x-2
18x>-23 /:18
x> -23/18
12) 0.2(x+2)<4.4-x
0.2x+0.4<4.4 - x
1.2x<4 / :1.2
x< 3,(3)
x+7>3
x>3-7
x>-4
4x>5(x+1)
4x>5x+5
4x-5x>5
-x>5 / -1
x<-5
12(x-0,5)>6(2x+1)+5
12x-6>12x+6+5
12x-12x>6+5+6
0
18(x+1)-10(0,5x+2)>-5x-2
18x+18-5x-20>-5x-2
18x-5x+5x>-2-18+20
18x>0 /18
x>0
6,5x>0.5(x+1)
6,5x>0,5x+0,5
6,5x-0,5x>0,5
6x>0,5 / 6
x>1/12
0,2(x+2)<4,4-x
0,2x+0,4<4,4-x
0,2x+x<4,4-0,4
1,2x < 4 /1,2
x< 3 2/6