-3j+8j-21=7j+4

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Solution for -3j+8j-21=7j+4 equation: 



-3j+8j-21=7j+4

We move all terms to the left:

-3j+8j-21-(7j+4)=0

We add all the numbers together, and all the variables

5j-(7j+4)-21=0

We get rid of parentheses

5j-7j-4-21=0

We add all the numbers together, and all the variables

-2j-25=0

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

-2j=25

j=25/-2

j=-12+1/2

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