9j-4=2+j+7j

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Solution for 9j-4=2+j+7j equation: 



9j-4=2+j+7j

We move all terms to the left:

9j-4-(2+j+7j)=0

We add all the numbers together, and all the variables

9j-(8j+2)-4=0

We get rid of parentheses

9j-8j-2-4=0

We add all the numbers together, and all the variables

j-6=0

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

j=6

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