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Mathematics 21 Online
OpenStudy (anonymous):

what property is this?!?!?!?!? 17z + z = 17z + 1z.

OpenStudy (anonymous):

commutative...

OpenStudy (anonymous):

very likely.....

OpenStudy (anonymous):

z=1z is identity property... I dunno about 17z+z=17z+1z

OpenStudy (anonymous):

i dont think theres a name for second one its just llke x = x

OpenStudy (anonymous):

Multiplicative identity. (aka Isn't it cool u can multiply anything by 1 property...)

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