-3j+8j+-21=7j+7

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Solution for -3j+8j+-21=7j+7 equation: 



-3j+8j+-21=7j+7

We move all terms to the left:

-3j+8j+-21-(7j+7)=0

We add all the numbers together, and all the variables

5j-(7j+7)=0

We get rid of parentheses

5j-7j-7=0

We add all the numbers together, and all the variables

-2j-7=0

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

-2j=7

j=7/-2

j=-3+1/2

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