1+2b=4b-9

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Solution for 1+2b=4b-9 equation: 



1+2b=4b-9

We move all terms to the left:

1+2b-(4b-9)=0

We get rid of parentheses

2b-4b+9+1=0

We add all the numbers together, and all the variables

-2b+10=0

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

-2b=-10

b=-10/-2

b=+5

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