[tex]D_{26}=\{1,2,13,26\} \\
2x+1|26 \\
2x+1=\{1,2,13,26\}|-1 \\
2x=\{0,1,12,25\}|:2 \\
x=\{0,6\} \\ \\
D_{32}=\{1,2,4,8,16,32\} \\
2x+4|32 \\
2x+4=\{1,2,4,8,16,32\}|-4 \\
2x=\{0,4,12,28\}|:2 \\
x=\{0,2,6,14\} \\ \\
D_{70}=\{1,2,5,7,10,14,35,70\} \\
2x+5=\{1,2,5,7,10,14,35,70\}|-5 \\
2x=\{0,2,5,9,30,65\}|:2 \\
x=\{0,1,15\}[/tex]