-12*x-9=3*x-12

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Solution for -12*x-9=3*x-12 equation: 



-12x-9=3x-12

We move all terms to the left:

-12x-9-(3x-12)=0

We get rid of parentheses

-12x-3x+12-9=0

We add all the numbers together, and all the variables

-15x+3=0

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

-15x=-3

x=-3/-15

x=1/5

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