3=1-2(x+2)

Solution for 3=1-2(x+2) equation:

3=1-2(x+2)

We move all terms to the left:

3-(1-2(x+2))=0


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

1-2(x+2)

determiningTheFunctionDomain
-2(x+2)+1

We multiply parentheses

-2x-4+1

We add all the numbers together, and all the variables

-2x-3

Back to the equation:

-(-2x-3)


We get rid of parentheses

2x+3+3=0

We add all the numbers together, and all the variables

2x+6=0

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

2x=-6

x=-6/2

x=-3