7j-9j=-2

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Solution for 7j-9j=-2 equation: 



7j-9j=-2

We move all terms to the left:

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

We add all the numbers together, and all the variables

-2j+2=0

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

-2j=-2

j=-2/-2

j=1

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