7=-3(-3)+b

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Solution for 7=-3(-3)+b equation: 



7=-3(-3)+b

We move all terms to the left:

7-(-3(-3)+b)=0



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

-3(-3)+b

determiningTheFunctionDomain
b-3(-3)

We add all the numbers together, and all the variables

b+9

Back to the equation:

-(b+9)



We get rid of parentheses

-b-9+7=0

We add all the numbers together, and all the variables

-1b-2=0

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

-b=2

b=2/-1

b=-2

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