Explicație pas cu pas:
2x+3|4x+1
2x+3|2x+3=>2x+3|4x+6
=>2x+3|4x+6-4x-1=>2x+3|5=>2x+3€D5 in Z =>
2x+3€{-5,-1,1,5} =>
2x€{-8,-4,-2,2} =>
x€{-4,-2,-1,1}
3x+2|6x+11
3x+2|3x+2=>3x+2|6x+4
=>3x+2|6x+11-6x-4=>3x+2|7=>3x+2€D7 in Z =>
3x+2€{-7;-1,1,7} =>
3x€{-9,-3,-1,5} =>
x€{-3,-1,-1/3,5/3}