-1=47-12b

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Solution for -1=47-12b equation: 



-1=47-12b

We move all terms to the left:

-1-(47-12b)=0

We add all the numbers together, and all the variables

-(-12b+47)-1=0

We get rid of parentheses

12b-47-1=0

We add all the numbers together, and all the variables

12b-48=0

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

12b=48

b=48/12

b=4

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