7x+7=x-3

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



7x+7=x-3

We move all terms to the left:

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

We get rid of parentheses

7x-x+3+7=0

We add all the numbers together, and all the variables

6x+10=0

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

6x=-10

x=-10/6

x=-1+2/3

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