7=1+2j

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Solution for 7=1+2j equation: 



7=1+2j

We move all terms to the left:

7-(1+2j)=0

We add all the numbers together, and all the variables

-(2j+1)+7=0

We get rid of parentheses

-2j-1+7=0

We add all the numbers together, and all the variables

-2j+6=0

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

-2j=-6

j=-6/-2

j=+3

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