4+2x+1=-7

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Solution for 4+2x+1=-7 equation: 



4+2x+1=-7

We move all terms to the left:

4+2x+1-(-7)=0

We add all the numbers together, and all the variables

2x+12=0

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

2x=-12

x=-12/2

x=-6

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