(5b-4)-2(2B+1)=-7

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Solution for (5b-4)-2(2B+1)=-7 equation: 



(5b-4)-2(2+1)=-7

We move all terms to the left:

(5b-4)-2(2+1)-(-7)=0

We add all the numbers together, and all the variables

(5b-4)-23-(-7)=0

We add all the numbers together, and all the variables

(5b-4)-16=0

We get rid of parentheses

5b-4-16=0

We add all the numbers together, and all the variables

5b-20=0

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

5b=20

b=20/5

b=4

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