I7f+2I+8=1

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Solution for I7f+2I+8=1 equation:



7I+2+8=1
We move all terms to the left:
7I+2+8-(1)=0
We add all the numbers together, and all the variables
7I+9=0
We move all terms containing I to the left, all other terms to the right
7I=-9
I=-9/7
I=-1+2/7

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