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15.4j+1.8=12.4j
We move all terms to the left:
15.4j+1.8-(12.4j)=0
We add all the numbers together, and all the variables
15.4j-(+12.4j)+1.8=0
We get rid of parentheses
15.4j-12.4j+1.8=0
We add all the numbers together, and all the variables
3j+1.8=0
We move all terms containing j to the left, all other terms to the right
3j=-1.8
j=-1.8/3
j=-1/1.6666666666667
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