3x+7=-x-1=

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



3x+7=-x-1=

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

3x+1x+1+7=0

We add all the numbers together, and all the variables

4x+8=0

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

4x=-8

x=-8/4

x=-2

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