I5x+13I=-7

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Solution for I5x+13I=-7 equation: 



5I+13=-7

We move all terms to the left:

5I+13-(-7)=0

We add all the numbers together, and all the variables

5I+20=0

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

5I=-20

I=-20/5

I=-4

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