7j-13j-(-3j)=18

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Solution for 7j-13j-(-3j)=18 equation: 



7j-13j-(-3j)=18

We move all terms to the left:

7j-13j-(-3j)-(18)=0

We add all the numbers together, and all the variables

-6j-(-3j)-18=0

We get rid of parentheses

-6j+3j-18=0

We add all the numbers together, and all the variables

-3j-18=0

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

-3j=18

j=18/-3

j=-6

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