1
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Pairing elimination is done. What's next?

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9
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Notice in the top row there are two cells with the only options of $2$ and $9$. This means those two cells will be $2$ and $9$, you just don't know which is which. Therefore you can eliminate every other $2$ and $9$ in that row.

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  • $\begingroup$ What is this game, if you don't mind me asking? $\endgroup$ – user477343 Jul 13 '18 at 4:29
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    $\begingroup$ @user477343 Sudoku. Look at the tag on the question. $\endgroup$ – Riley Jul 13 '18 at 4:30
  • $\begingroup$ Oh, sorry for not seeing that. Is this the original version of sudoku? I play sudoku, but never have I seen this many numbers on a sudoku grid. $\endgroup$ – user477343 Jul 13 '18 at 4:32
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    $\begingroup$ The small numbers are "notes" -- usually just used to jot down what possibilities go in each square. They're pretty common in a lot of apps. $\endgroup$ – Persona Jul 13 '18 at 4:37
8
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The circled square has the only 5 in the top left box.

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