7=-1(-3)+b

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Solution for 7=-1(-3)+b equation: 



7=-1(-3)+b

We move all terms to the left:

7-(-1(-3)+b)=0



We calculate terms in parentheses: -(-1(-3)+b), so:

-1(-3)+b

determiningTheFunctionDomain
b-1(-3)

We add all the numbers together, and all the variables

b+3

Back to the equation:

-(b+3)



We get rid of parentheses

-b-3+7=0

We add all the numbers together, and all the variables

-1b+4=0

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

-b=-4

b=-4/-1

b=+4

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