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-y-2y<-4+13
-3y<9 II:(-3)
y>-3
b)-2(y+5)-2(y-3) ≥ -3-5y
-2y-10-2y+6 ≥-3-5y
-2y-2y+5y ≥ 10-6-3
y ≥1
c)3(2-x)-4x ≤ 10-3x
6-3x-4x≤ 10-3x
-3x-4x+3x≤ -6+10
-4x≤ 4 II:(-4)
x≥-1
d)-7(7-x)+14-x ≥ 6x-40
-49+7x+14-x≥ 6x-40
7x-x-6x≥ 49-14-40
0≥ -5
e)-12(x-1)-(x-1)< 12 (1-x)
-12x+12-x+1<12-12x
-12x-x+12x<-12-1+12
-x<-1 II:(-1)
x>-1
f)-4(2x+5)-3(2-3x)<8(3+4x)+12
-8x-20-6+9x<24+32x+12
-8x+9x-32x<20+6+24+12
-31x<62 II:(-31)
x>2
x-4≥-1 -2/3x≥4-2x
x≥-1+4 -2/3x+2x≥4
x≥3 4/3x≥4÷4/3
x≥4×3/4
x≥3
zad2
1) 4y<13+2y
4y-2y<13
2y<13÷2
y<13/2
y<6 1/2
2) -2(y+5)-2(y-3)≥-3-5y
-2y-10-2y+6≥-3-5y
-2y-2y+5y≥-3+10-6
y≥1
3)3(2-x)-4x≤10-3x
6-3x-4x≤10-3x
-3x-4x+3x≤10-6
-4x≤4÷(-4)
x≥-1
4)-7(7-x)+14x≥6x-40
-49+7x+14x≥6x-40
7x+14x-6x≥-40+49
15x≥9÷15
x≥9/15
5)12(x-1)-(x-1)<12(1-x)
12x-12-x+1<12-12x
-x<12+12-1
-x<23÷(-1)
x>-23/1
6)-4(2x+5)-3(2-3x)<8(3+4x)+12
-8x-20-6+9x<24+32x+12
-8x+9x-32x<24+12+20+6
-31x<62÷(-31)
x>-2