4=1-2(x+1)

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Solution for 4=1-2(x+1) equation: 



4=1-2(x+1)

We move all terms to the left:

4-(1-2(x+1))=0



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

1-2(x+1)

determiningTheFunctionDomain
-2(x+1)+1

We multiply parentheses

-2x-2+1

We add all the numbers together, and all the variables

-2x-1

Back to the equation:

-(-2x-1)



We get rid of parentheses

2x+1+4=0

We add all the numbers together, and all the variables

2x+5=0

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

2x=-5

x=-5/2

x=-2+1/2

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