302-6j=-9(-9+7j)+-7

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Solution for 302-6j=-9(-9+7j)+-7 equation: 



302-6j=-9(-9+7j)+-7

We move all terms to the left:

302-6j-(-9(-9+7j)+-7)=0

We add all the numbers together, and all the variables

-6j-(-9(7j-9)+-7)+302=0

We use the square of the difference formula

-6j-(-9(7j-9)-7)+302=0



We calculate terms in parentheses: -(-9(7j-9)-7), so:

-9(7j-9)-7

We multiply parentheses

-63j+81-7

We add all the numbers together, and all the variables

-63j+74

Back to the equation:

-(-63j+74)



We get rid of parentheses

-6j+63j-74+302=0

We add all the numbers together, and all the variables

57j+228=0

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

57j=-228

j=-228/57

j=-4

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