9x-30=12x+3

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Solution for 9x-30=12x+3 equation: 



9x-30=12x+3

We move all terms to the left:

9x-30-(12x+3)=0

We get rid of parentheses

9x-12x-3-30=0

We add all the numbers together, and all the variables

-3x-33=0

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

-3x=33

x=33/-3

x=-11

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