j-4=3j-9

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Solution for j-4=3j-9 equation: 



j-4=3j-9

We move all terms to the left:

j-4-(3j-9)=0

We get rid of parentheses

j-3j+9-4=0

We add all the numbers together, and all the variables

-2j+5=0

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

-2j=-5

j=-5/-2

j=2+1/2

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