-3x-7=18x

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



-3x-7=18x

We move all terms to the left:

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

We add all the numbers together, and all the variables

-21x-7=0

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

-21x=7

x=7/-21

x=-1/3

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