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2=-5I-4I+2
We move all terms to the left:
2-(-5I-4I+2)=0
We add all the numbers together, and all the variables
-(-9I+2)+2=0
We get rid of parentheses
9I-2+2=0
We add all the numbers together, and all the variables
9I=0
I=0/9
I=0
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