-4j-(-7j)=9

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Solution for -4j-(-7j)=9 equation: 



-4j-(-7j)=9

We move all terms to the left:

-4j-(-7j)-(9)=0

We get rid of parentheses

-4j+7j-9=0

We add all the numbers together, and all the variables

3j-9=0

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

3j=9

j=9/3

j=3

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