8j-j-7j+3j=15

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Solution for 8j-j-7j+3j=15 equation: 



8j-j-7j+3j=15

We move all terms to the left:

8j-j-7j+3j-(15)=0

We add all the numbers together, and all the variables

3j-15=0

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

3j=15

j=15/3

j=5

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