2(3-5b)+5=81

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Solution for 2(3-5b)+5=81 equation: 



2(3-5b)+5=81

We move all terms to the left:

2(3-5b)+5-(81)=0

We add all the numbers together, and all the variables

2(-5b+3)+5-81=0

We add all the numbers together, and all the variables

2(-5b+3)-76=0

We multiply parentheses

-10b+6-76=0

We add all the numbers together, and all the variables

-10b-70=0

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

-10b=70

b=70/-10

b=-7

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