4j=8(j-9)

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Solution for 4j=8(j-9) equation: 



4j=8(j-9)

We move all terms to the left:

4j-(8(j-9))=0



We calculate terms in parentheses: -(8(j-9)), so:

8(j-9)

We multiply parentheses

8j-72

Back to the equation:

-(8j-72)



We get rid of parentheses

4j-8j+72=0

We add all the numbers together, and all the variables

-4j+72=0

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

-4j=-72

j=-72/-4

j=+18

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