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12-13j-9=3-13j
We move all terms to the left:
12-13j-9-(3-13j)=0
We add all the numbers together, and all the variables
-13j-(-13j+3)+12-9=0
We add all the numbers together, and all the variables
-13j-(-13j+3)+3=0
We get rid of parentheses
-13j+13j-3+3=0
We add all the numbers together, and all the variables
=0
j=0/1
j=0
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