a) x-4-4x-2=-14
-3x-6=-14
-3x=-14+6
-3x=-8
x=8/3
b) (5x-4):2=16x+1
2,5x-2=16x+1
2,5x-16x=1+2
-13,5x=3
x=3:(-13,5)
x=-30:135=-6/17
c)(5-x):8-18/12-5x/12=0/*24
3(5-x)-2*18-2*5x=0
15-3x-36-10x=0
-13x-21=0
-13x=21
x=-21/13
zad.a/
x-4-2(2x+1)=-14
x-4-4x-2=-14
-3x=4+2-14
-3x=-8 |:-3
x=2⅔
b/ 5x-4/2=16x=1/7
5x-16x=4/2+1/7
-9x= 2 1/7=15/7 |:-9
x= 15/7:(-9)
x=15/7x1/9
x=15/63= 5/21
x=5/21
lub:
(5x-4)/2= (16x+1)7 |x14
7(5x-4)= 2(16x+1)
35x-28=32x+2
35x-32x=28+2
3x=30 |:3
x=10
c/
(5-x)/8- (18-5x)/12=0 |x24
3(5-x) - 2(18-5x)=0
15-3x-36+10x=0
7x-21=0
7x=21 |:7
x=3
lub: 5-x/8-18-5x/12=0
-x/8-5x/12=-5+18
-3x/24-10x/24=13
-13x/24=13
-13x=13x24 |:(-13)
x= -24
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a) x-4-4x-2=-14
-3x-6=-14
-3x=-14+6
-3x=-8
x=8/3
b) (5x-4):2=16x+1
2,5x-2=16x+1
2,5x-16x=1+2
-13,5x=3
x=3:(-13,5)
x=-30:135=-6/17
c)(5-x):8-18/12-5x/12=0/*24
3(5-x)-2*18-2*5x=0
15-3x-36-10x=0
-13x-21=0
-13x=21
x=-21/13
zad.a/
x-4-2(2x+1)=-14
x-4-4x-2=-14
-3x=4+2-14
-3x=-8 |:-3
x=8/3
x=2⅔
b/ 5x-4/2=16x=1/7
5x-16x=4/2+1/7
-9x= 2 1/7=15/7 |:-9
x= 15/7:(-9)
x=15/7x1/9
x=15/63= 5/21
x=5/21
lub:
(5x-4)/2= (16x+1)7 |x14
7(5x-4)= 2(16x+1)
35x-28=32x+2
35x-32x=28+2
3x=30 |:3
x=10
c/
(5-x)/8- (18-5x)/12=0 |x24
3(5-x) - 2(18-5x)=0
15-3x-36+10x=0
7x-21=0
7x=21 |:7
x=3
lub: 5-x/8-18-5x/12=0
-x/8-5x/12=-5+18
-3x/24-10x/24=13
-13x/24=13
-13x=13x24 |:(-13)
x= -24