-5x=12-9x

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Solution for -5x=12-9x equation: 



-5x=12-9x

We move all terms to the left:

-5x-(12-9x)=0

We add all the numbers together, and all the variables

-5x-(-9x+12)=0

We get rid of parentheses

-5x+9x-12=0

We add all the numbers together, and all the variables

4x-12=0

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

4x=12

x=12/4

x=3

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