8j+12=84

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Solution for 8j+12=84 equation: 



8j+12=84

We move all terms to the left:

8j+12-(84)=0

We add all the numbers together, and all the variables

8j-72=0

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

8j=72

j=72/8

j=9

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