-12+9=-15x

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Solution for -12+9=-15x equation: 



-12+9=-15x

We move all terms to the left:

-12+9-(-15x)=0

We add all the numbers together, and all the variables

-(-15x)-3=0

We get rid of parentheses

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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