x-3=3+7x

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



x-3=3+7x

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

x-7x-3-3=0

We add all the numbers together, and all the variables

-6x-6=0

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

-6x=6

x=6/-6

x=-1

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