12x+4=x-5

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Solution for 12x+4=x-5 equation: 



12x+4=x-5

We move all terms to the left:

12x+4-(x-5)=0

We get rid of parentheses

12x-x+5+4=0

We add all the numbers together, and all the variables

11x+9=0

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

11x=-9

x=-9/11

x=-9/11

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