3x+1=-7x

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Solution for 3x+1=-7x equation: 



3x+1=-7x

We move all terms to the left:

3x+1-(-7x)=0

We get rid of parentheses

3x+7x+1=0

We add all the numbers together, and all the variables

10x+1=0

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

10x=-1

x=-1/10

x=-1/10

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