-5b-18=-7b-(-3-5b)

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Solution for -5b-18=-7b-(-3-5b) equation: 



-5b-18=-7b-(-3-5b)

We move all terms to the left:

-5b-18-(-7b-(-3-5b))=0

We add all the numbers together, and all the variables

-5b-(-7b-(-5b-3))-18=0



We calculate terms in parentheses: -(-7b-(-5b-3)), so:

-7b-(-5b-3)

We get rid of parentheses

-7b+5b+3

We add all the numbers together, and all the variables

-2b+3

Back to the equation:

-(-2b+3)



We get rid of parentheses

-5b+2b-3-18=0

We add all the numbers together, and all the variables

-3b-21=0

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

-3b=21

b=21/-3

b=-7

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