-2+9(1+4b)=28

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Solution for -2+9(1+4b)=28 equation: 



-2+9(1+4b)=28

We move all terms to the left:

-2+9(1+4b)-(28)=0

We add all the numbers together, and all the variables

9(4b+1)-2-28=0

We add all the numbers together, and all the variables

9(4b+1)-30=0

We multiply parentheses

36b+9-30=0

We add all the numbers together, and all the variables

36b-21=0

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

36b=21

b=21/36

b=7/12

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