How can you make this equation right?



  • You can not change the equation, of course
  • You only get to put ONE LINE through anywhere on the equation
  • $\begingroup$ Similar questions have been asked before, but I think yours has a typo. 544+5 = 549, not 550. $\endgroup$ – Kingrames Sep 30 '16 at 20:56
  • $\begingroup$ @Kingrames Or 5+5+5=550, giving 545+5=550. $\endgroup$ – IAmInPLS Sep 30 '16 at 21:24
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    $\begingroup$ Welcome to Puzzling! Those "clues" seem to be necessary parts of the question - please do not hide anything behind spoilers that is necessary to solve the puzzle. $\endgroup$ – Deusovi Sep 30 '16 at 22:10
  • $\begingroup$ I dont have a typo in my question $\endgroup$ – LyricsBot Oct 1 '16 at 11:06

Not sure what solvable means, but is it:



Using one line we can make an equality that is valid:

Which is valid in base $9$:


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