J(-4)=7-2x

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Solution for J(-4)=7-2x equation: 



(-4)=7-2J

We move all terms to the left:

(-4)-(7-2J)=0

We add all the numbers together, and all the variables

-(-2J+7)+(-4)=0

We add all the numbers together, and all the variables

-(-2J+7)-4=0

We get rid of parentheses

2J-7-4=0

We add all the numbers together, and all the variables

2J-11=0

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

2J=11

J=11/2

J=5+1/2

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