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[-] Malgas@beehaw.org 45 points 7 months ago

This works for all numbers ending in 9:

x*9+x+9=x(9+1)+9

=10x+9

[-] TheOakTree@beehaw.org 10 points 7 months ago

It makes sense, it's basically always 10*x+9.

[-] bstix@feddit.dk 0 points 7 months ago

Doesn't make much sense for negative values of X, nor decimal numbers.

[-] TheOakTree@beehaw.org 1 points 7 months ago

Then simply change the statement to say for any whole number X

this post was submitted on 07 May 2024
384 points (91.9% liked)

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