4j-8=12+9j

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Solution for 4j-8=12+9j equation: 



4j-8=12+9j

We move all terms to the left:

4j-8-(12+9j)=0

We add all the numbers together, and all the variables

4j-(9j+12)-8=0

We get rid of parentheses

4j-9j-12-8=0

We add all the numbers together, and all the variables

-5j-20=0

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

-5j=20

j=20/-5

j=-4

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