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3x≤7x+16|-7x
-4x≤16|:(-4)
x≤-4
c)4x+8>6x-12|-8
4x>6x-20|-6x
-2x>-20|:(-2)
x=10
b.)3x-5≤7x+11/-3x
-5≤4x+11/-11
-16≤4x/:4
-4≤x
c.)4x+8>6x-12/-4x
8>2x-12/+12
20>2x/:2
10>x
d.)-x+11≥-5x+3/+x
11≥-4x+3/-3
9≥-4x/: -4
2,25≤x
f.)4-2x+5<-5x+19
9-2x<-5x+19/+2x
9<-3x+19/-19
-10<-3x/:(-3)
3,(3)>x
g.)-5x+6+7x≥-9x+12
2x+6≥-9x+13/+9x
11x+6≥13/-6
11x≥13/:11
x≥1,1(8)
Zad2
b.)14-(8+6x)≤15+3(3-x)
14-8-6x≤15+9-3x
6-6x≤24-3x/-6
-6x≤18-3x/+3x
-3x≤18/:(-3)
x≥-6
c>04x-5(3-2x)≥12-9(2x-5)-chyba źle to przepisałes