-20-20j-20=2j-2(15j-20)

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Solution for -20-20j-20=2j-2(15j-20) equation: 



-20-20j-20=2j-2(15j-20)

We move all terms to the left:

-20-20j-20-(2j-2(15j-20))=0

We add all the numbers together, and all the variables

-20j-(2j-2(15j-20))-40=0



We calculate terms in parentheses: -(2j-2(15j-20)), so:

2j-2(15j-20)

We multiply parentheses

2j-30j+40

We add all the numbers together, and all the variables

-28j+40

Back to the equation:

-(-28j+40)



We get rid of parentheses

-20j+28j-40-40=0

We add all the numbers together, and all the variables

8j-80=0

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

8j=80

j=80/8

j=10

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