-30=x-18

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Solution for -30=x-18 equation: 



-30=x-18

We move all terms to the left:

-30-(x-18)=0

We get rid of parentheses

-x+18-30=0

We add all the numbers together, and all the variables

-1x-12=0

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

-x=12

x=12/-1

x=-12

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