(13x-78)=39

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Solution for (13x-78)=39 equation: 



(13x-78)=39

We move all terms to the left:

(13x-78)-(39)=0

We get rid of parentheses

13x-78-39=0

We add all the numbers together, and all the variables

13x-117=0

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

13x=117

x=117/13

x=9

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