12x+7=9x+25.

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Solution for 12x+7=9x+25. equation: 



12x+7=9x+25.

We move all terms to the left:

12x+7-(9x+25.)=0

We add all the numbers together, and all the variables

12x-(9x+25)+7=0

We get rid of parentheses

12x-9x-25+7=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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