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6x-8=8
6x=8+8
6x=16/6
x= 16/6
10x+16=jedna druga (6x+2)
10x+16=3x+1
10x-3x=1-16
7x=-15/7
x=- 15/7
x= - 2 i 1/7
2(pieć drugich x - dwanaście drugich)= 4+4x
5x-12=4+4x
5x-4x=12+4
x= 16
2(x-1)=2(-6x+9)
2x-2=-12x+18
2x+12x= 18+2
14x=20/14
x=20/14
x=10/7
x=1 i 3/7
6x-8=8
6x=8+8
6x=16 I:6
x=2 ⅔
b)10x+16= ½(6x+2)
10x+16=3x+1
10x-3x=1-16
7x=-15 I:7
x=2 ¹/₇
c)2( ⁵/₂x - ¹²/₂)= 4+4x
5-12-4=4x
-11=4x I:4
-8 ¾=x
x=-8 ¾
d) 2(x-1)=2(-6x+9)
2x-2=-12x+18
2x+12x=18+2
14x=20 I:14
x=1 ³/₇