12x-25=-3-9x

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Solution for 12x-25=-3-9x equation: 



12x-25=-3-9x

We move all terms to the left:

12x-25-(-3-9x)=0

We add all the numbers together, and all the variables

12x-(-9x-3)-25=0

We get rid of parentheses

12x+9x+3-25=0

We add all the numbers together, and all the variables

21x-22=0

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

21x=22

x=22/21

x=1+1/21

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