-7=2(-1)+b

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Solution for -7=2(-1)+b equation: 



-7=2(-1)+b

We move all terms to the left:

-7-(2(-1)+b)=0



We calculate terms in parentheses: -(2(-1)+b), so:

2(-1)+b

determiningTheFunctionDomain
b+2(-1)

We add all the numbers together, and all the variables

b-2

Back to the equation:

-(b-2)



We get rid of parentheses

-b+2-7=0

We add all the numbers together, and all the variables

-1b-5=0

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

-b=5

b=5/-1

b=-5

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