13(x-9)=12x-129

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Solution for 13(x-9)=12x-129 equation: 



13(x-9)=12x-129

We move all terms to the left:

13(x-9)-(12x-129)=0

We multiply parentheses

13x-(12x-129)-117=0

We get rid of parentheses

13x-12x+129-117=0

We add all the numbers together, and all the variables

x+12=0

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

x=-12

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