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-3(j+4)=-9
We move all terms to the left:
-3(j+4)-(-9)=0
We add all the numbers together, and all the variables
-3(j+4)+9=0
We multiply parentheses
-3j-12+9=0
We add all the numbers together, and all the variables
-3j-3=0
We move all terms containing j to the left, all other terms to the right
-3j=3
j=3/-3
j=-1
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