4,7+9b=20b+1,8-b

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Solution for 4,7+9b=20b+1,8-b equation: 



4.7+9b=20b+1.8-b

We move all terms to the left:

4.7+9b-(20b+1.8-b)=0

We add all the numbers together, and all the variables

9b-(19b+1.8)+4.7=0

We get rid of parentheses

9b-19b-1.8+4.7=0

We add all the numbers together, and all the variables

-10b+2.9=0

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

-10b=-2.9

b=-2.9/-10

b=1/3.44827586207

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