-1+2(1+2b)=-4(b+2)-7

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Solution for -1+2(1+2b)=-4(b+2)-7 equation: 



-1+2(1+2b)=-4(b+2)-7

We move all terms to the left:

-1+2(1+2b)-(-4(b+2)-7)=0

We add all the numbers together, and all the variables

2(2b+1)-(-4(b+2)-7)-1=0

We multiply parentheses

4b-(-4(b+2)-7)+2-1=0



We calculate terms in parentheses: -(-4(b+2)-7), so:

-4(b+2)-7

We multiply parentheses

-4b-8-7

We add all the numbers together, and all the variables

-4b-15

Back to the equation:

-(-4b-15)



We add all the numbers together, and all the variables

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

We get rid of parentheses

4b+4b+15+1=0

We add all the numbers together, and all the variables

8b+16=0

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

8b=-16

b=-16/8

b=-2

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