31=-7-2j

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Solution for 31=-7-2j equation: 



31=-7-2j

We move all terms to the left:

31-(-7-2j)=0

We add all the numbers together, and all the variables

-(-2j-7)+31=0

We get rid of parentheses

2j+7+31=0

We add all the numbers together, and all the variables

2j+38=0

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

2j=-38

j=-38/2

j=-19

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