4x+12=9x-25

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Solution for 4x+12=9x-25 equation: 



4x+12=9x-25

We move all terms to the left:

4x+12-(9x-25)=0

We get rid of parentheses

4x-9x+25+12=0

We add all the numbers together, and all the variables

-5x+37=0

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

-5x=-37

x=-37/-5

x=7+2/5

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