3j+7=8j-8

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



3j+7=8j-8

We move all terms to the left:

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

We get rid of parentheses

3j-8j+8+7=0

We add all the numbers together, and all the variables

-5j+15=0

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

-5j=-15

j=-15/-5

j=+3

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