7x-18=30+x

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Solution for 7x-18=30+x equation: 



7x-18=30+x

We move all terms to the left:

7x-18-(30+x)=0

We add all the numbers together, and all the variables

7x-(x+30)-18=0

We get rid of parentheses

7x-x-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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