-7j-(-5j)-(-12j)-j=-18

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Solution for -7j-(-5j)-(-12j)-j=-18 equation: 



-7j-(-5j)-(-12j)-j=-18

We move all terms to the left:

-7j-(-5j)-(-12j)-j-(-18)=0

We add all the numbers together, and all the variables

-8j-(-5j)-(-12j)+18=0

We get rid of parentheses

-8j+5j+12j+18=0

We add all the numbers together, and all the variables

9j+18=0

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

9j=-18

j=-18/9

j=-2

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