5/7=(12-a)/a

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Solution for 5/7=(12-a)/a equation: 



5/7=(12-a)/a

We move all terms to the left:

5/7-((12-a)/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

-((-1a+12)/a)+5/7=0

We calculate fractions


(-((-1a+12)*7)/a*7)+5a/a*7)=0



We calculate terms in parentheses: +(-((-1a+12)*7)/a*7), so:

-((-1a+12)*7)/a*7

We multiply all the terms by the denominator


-((-1a+12)*7)



We calculate terms in parentheses: -((-1a+12)*7), so:

(-1a+12)*7

We multiply parentheses

-7a+84

Back to the equation:

-(-7a+84)



We get rid of parentheses

7a-84

Back to the equation:

+(7a-84)



We get rid of parentheses

7a+5a/a*7)-84=0

We multiply all the terms by the denominator


7a*a*7)-84+5a=0

Wy multiply elements

49a^3*7=0

We do not support eapression: a^3

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