3x-18=30+9x

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



3x-18=30+9x

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

3x-9x-30-18=0

We add all the numbers together, and all the variables

-6x-48=0

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

-6x=48

x=48/-6

x=-8

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