-15=12x+3

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Solution for -15=12x+3 equation: 



-15=12x+3

We move all terms to the left:

-15-(12x+3)=0

We get rid of parentheses

-12x-3-15=0

We add all the numbers together, and all the variables

-12x-18=0

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

-12x=18

x=18/-12

x=-1+1/2

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