78=(11+x)/(11-x)

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Solution for 78=(11+x)/(11-x) equation: 



78=(11+x)/(11-x)

We move all terms to the left:

78-((11+x)/(11-x))=0



Domain of the equation: (11-x))!=0

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

-x)!=-11

x!=-11/1

x!=-11

x∈R



We add all the numbers together, and all the variables

-((x+11)/(-1x+11))+78=0

We multiply all the terms by the denominator


-((x+11)+78*(-1x+11))=0



We calculate terms in parentheses: -((x+11)+78*(-1x+11)), so:

(x+11)+78*(-1x+11)

We multiply parentheses

(x+11)-78x+858

We get rid of parentheses

x-78x+11+858

We add all the numbers together, and all the variables

-77x+869

Back to the equation:

-(-77x+869)



We get rid of parentheses

77x-869=0

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

77x=869

x=869/77

x=11+2/7

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