0,(2)x+1=1¹/₁₈
0,(2) = 0,22222 ....
x = 0,22222....
10x = 2,22222....
10x -x = 2,22222.... - 0,222222
9x = 2
x = 2/9
0,(2) = 2/9
2/9*x +1 = 1 i 1/18
2/9 *x = 1 i 1/18 -1
2/9x = 1/18
x = 1/18 : 2/9
x = 1/18 *9/2
x = 1/4
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0,(2)x+1=1¹/₁₈
0,(2) = 0,22222 ....
x = 0,22222....
10x = 2,22222....
10x -x = 2,22222.... - 0,222222
9x = 2
x = 2/9
0,(2) = 2/9
2/9*x +1 = 1 i 1/18
2/9 *x = 1 i 1/18 -1
2/9x = 1/18
x = 1/18 : 2/9
x = 1/18 *9/2
x = 1/4