800/a2=640/400

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Solution for 800/a2=640/400 equation: 



800/a2=640/400

We move all terms to the left:

800/a2-(640/400)=0



Domain of the equation: a2!=0

a^2!=0/

a^2!=√0

a!=0

a∈R



We add all the numbers together, and all the variables

800/a2-(+640/400)=0

We get rid of parentheses

800/a2-640/400=0

We calculate fractions

There is no solution for this equation

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