100/10=80/a

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Solution for 100/10=80/a equation: 



100/10=80/a

We move all terms to the left:

100/10-(80/a)=0



Domain of the equation: a)!=0

a!=0/1

a!=0

a∈R



We add all the numbers together, and all the variables

-(+80/a)+100/10=0

We add all the numbers together, and all the variables

-(+80/a)+10=0

We get rid of parentheses

-80/a+10=0

We multiply all the terms by the denominator


10*a-80=0

We add all the numbers together, and all the variables

10a-80=0

We move all terms containing a to the left, all other terms to the right

10a=80

a=80/10

a=8

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