12x+13=9x-5

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Solution for 12x+13=9x-5 equation: 



12x+13=9x-5

We move all terms to the left:

12x+13-(9x-5)=0

We get rid of parentheses

12x-9x+5+13=0

We add all the numbers together, and all the variables

3x+18=0

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

3x=-18

x=-18/3

x=-6

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