-9j=20-7j

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Solution for -9j=20-7j equation: 



-9j=20-7j

We move all terms to the left:

-9j-(20-7j)=0

We add all the numbers together, and all the variables

-9j-(-7j+20)=0

We get rid of parentheses

-9j+7j-20=0

We add all the numbers together, and all the variables

-2j-20=0

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

-2j=20

j=20/-2

j=-10

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