30=-5(1+8b)-5(-8b-7)

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Solution for 30=-5(1+8b)-5(-8b-7) equation: 



30=-5(1+8b)-5(-8b-7)

We move all terms to the left:

30-(-5(1+8b)-5(-8b-7))=0

We add all the numbers together, and all the variables

-(-5(8b+1)-5(-8b-7))+30=0



We calculate terms in parentheses: -(-5(8b+1)-5(-8b-7)), so:

-5(8b+1)-5(-8b-7)

We multiply parentheses

-40b+40b-5+35

We add all the numbers together, and all the variables

30

Back to the equation:

-(30)



We add all the numbers together, and all the variables

=0

b=0/1

b=0

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