7-j=-9-7(j+2)

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Solution for 7-j=-9-7(j+2) equation: 



7-j=-9-7(j+2)

We move all terms to the left:

7-j-(-9-7(j+2))=0

We add all the numbers together, and all the variables

-1j-(-9-7(j+2))+7=0



We calculate terms in parentheses: -(-9-7(j+2)), so:

-9-7(j+2)

determiningTheFunctionDomain
-7(j+2)-9

We multiply parentheses

-7j-14-9

We add all the numbers together, and all the variables

-7j-23

Back to the equation:

-(-7j-23)



We get rid of parentheses

-1j+7j+23+7=0

We add all the numbers together, and all the variables

6j+30=0

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

6j=-30

j=-30/6

j=-5

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