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j=-j-8
We move all terms to the left:
j-(-j-8)=0
We add all the numbers together, and all the variables
j-(-1j-8)=0
We get rid of parentheses
j+1j+8=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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