3x=9+18-7x

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Solution for 3x=9+18-7x equation: 



3x=9+18-7x

We move all terms to the left:

3x-(9+18-7x)=0

We add all the numbers together, and all the variables

3x-(-7x+27)=0

We get rid of parentheses

3x+7x-27=0

We add all the numbers together, and all the variables

10x-27=0

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

10x=27

x=27/10

x=2+7/10

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