-10=-2(j+9)

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Solution for -10=-2(j+9) equation: 



-10=-2(j+9)

We move all terms to the left:

-10-(-2(j+9))=0



We calculate terms in parentheses: -(-2(j+9)), so:

-2(j+9)

We multiply parentheses

-2j-18

Back to the equation:

-(-2j-18)



We get rid of parentheses

2j+18-10=0

We add all the numbers together, and all the variables

2j+8=0

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

2j=-8

j=-8/2

j=-4

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