15-6x+9=-30

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Solution for 15-6x+9=-30 equation: 



15-6x+9=-30

We move all terms to the left:

15-6x+9-(-30)=0

We add all the numbers together, and all the variables

-6x+54=0

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

-6x=-54

x=-54/-6

x=+9

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