-9=-9(4j+9)

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Solution for -9=-9(4j+9) equation: 



-9=-9(4j+9)

We move all terms to the left:

-9-(-9(4j+9))=0



We calculate terms in parentheses: -(-9(4j+9)), so:

-9(4j+9)

We multiply parentheses

-36j-81

Back to the equation:

-(-36j-81)



We get rid of parentheses

36j+81-9=0

We add all the numbers together, and all the variables

36j+72=0

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

36j=-72

j=-72/36

j=-2

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