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Help with algebra question

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• algebra

asked 2018-10-20 18:30:36 +0200

Mari
1

Hello i need help

In the following question I need to prove that there is no answer to the equation and what is the reason ?

(a+81)*x=1

I tried to solve this

a+81≠1

a≠-81

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2

What it the unknown ? a ? x ? Both a and x ? To which set do they belong to ? the integers ? the reals ? the complexes ? etc.

How is this related to Sage ?

tmonteil ( 2018-10-20 23:30:38 +0200 )edit

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