9=1(-1)+b

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Solution for 9=1(-1)+b equation: 



9=1(-1)+b

We move all terms to the left:

9-(1(-1)+b)=0



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

1(-1)+b

determiningTheFunctionDomain
b+1(-1)

We add all the numbers together, and all the variables

b-1

Back to the equation:

-(b-1)



We get rid of parentheses

-b+1+9=0

We add all the numbers together, and all the variables

-1b+10=0

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

-b=-10

b=-10/-1

b=+10

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