4x-7=12x+9

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Solution for 4x-7=12x+9 equation: 



4x-7=12x+9

We move all terms to the left:

4x-7-(12x+9)=0

We get rid of parentheses

4x-12x-9-7=0

We add all the numbers together, and all the variables

-8x-16=0

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

-8x=16

x=16/-8

x=-2

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