30-3x=18+9x

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Solution for 30-3x=18+9x equation: 



30-3x=18+9x

We move all terms to the left:

30-3x-(18+9x)=0

We add all the numbers together, and all the variables

-3x-(9x+18)+30=0

We get rid of parentheses

-3x-9x-18+30=0

We add all the numbers together, and all the variables

-12x+12=0

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

-12x=-12

x=-12/-12

x=1

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