1-2b-4=-15

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Solution for 1-2b-4=-15 equation: 



1-2b-4=-15

We move all terms to the left:

1-2b-4-(-15)=0

We add all the numbers together, and all the variables

-2b+12=0

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

-2b=-12

b=-12/-2

b=+6

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