4-b+1=-7

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Solution for 4-b+1=-7 equation: 



4-b+1=-7

We move all terms to the left:

4-b+1-(-7)=0

We add all the numbers together, and all the variables

-1b+12=0

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

-b=-12

b=-12/-1

b=+12

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