J(0)=1-(2x-9)

Solution for J(0)=1-(2x-9) equation:

(0)=1-(2J-9)

We move all terms to the left:

(0)-(1-(2J-9))=0

We add all the numbers together, and all the variables

-(1-(2J-9))=0


We calculate terms in parentheses: -(1-(2J-9)), so:

1-(2J-9)

determiningTheFunctionDomain
-(2J-9)+1

We get rid of parentheses

-2J+9+1

We add all the numbers together, and all the variables

-2J+10

Back to the equation:

-(-2J+10)


We get rid of parentheses

2J-10=0

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

2J=10

J=10/2

J=5