x+(x-3)=7x

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



x+(x-3)=7x

We move all terms to the left:

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

We add all the numbers together, and all the variables

-6x+(x-3)=0

We get rid of parentheses

-6x+x-3=0

We add all the numbers together, and all the variables

-5x-3=0

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

-5x=3

x=3/-5

x=-3/5

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