15b-20b+9-6=5b+4+69

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Solution for 15b-20b+9-6=5b+4+69 equation: 



15b-20b+9-6=5b+4+69

We move all terms to the left:

15b-20b+9-6-(5b+4+69)=0

We add all the numbers together, and all the variables

15b-20b-(5b+73)+9-6=0

We add all the numbers together, and all the variables

-5b-(5b+73)+3=0

We get rid of parentheses

-5b-5b-73+3=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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