8-j=-7

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Solution for 8-j=-7 equation: 



8-j=-7

We move all terms to the left:

8-j-(-7)=0

We add all the numbers together, and all the variables

-1j+15=0

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

-j=-15

j=-15/-1

j=+15

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