12x+3=-6+15x

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Solution for 12x+3=-6+15x equation: 



12x+3=-6+15x

We move all terms to the left:

12x+3-(-6+15x)=0

We add all the numbers together, and all the variables

12x-(15x-6)+3=0

We get rid of parentheses

12x-15x+6+3=0

We add all the numbers together, and all the variables

-3x+9=0

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

-3x=-9

x=-9/-3

x=+3

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