(12+x)/13=(x-13)/12

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Solution for (12+x)/13=(x-13)/12 equation: 



(12+x)/13=(x-13)/12

We move all terms to the left:

(12+x)/13-((x-13)/12)=0

We add all the numbers together, and all the variables

(x+12)/13-((x-13)/12)=0

We calculate fractions


x/()+(-((x-13)*13)/()=0



We calculate terms in parentheses: +(-((x-13)*13)/(), so:

-((x-13)*13)/(

We multiply all the terms by the denominator


-((x-13)*13)



We calculate terms in parentheses: -((x-13)*13), so:

(x-13)*13

We multiply parentheses

13x-169

Back to the equation:

-(13x-169)



We get rid of parentheses

-13x+169

Back to the equation:

+(-13x+169)



We get rid of parentheses

x/()-13x+169=0

We multiply all the terms by the denominator


x-13x*()+169*()=0

We add all the numbers together, and all the variables

x-13x*()=0

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