3x-20-12x=25

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Solution for 3x-20-12x=25 equation: 



3x-20-12x=25

We move all terms to the left:

3x-20-12x-(25)=0

We add all the numbers together, and all the variables

-9x-45=0

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

-9x=45

x=45/-9

x=-5

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