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Very easy Math
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my teacher told me that the inverse of addition was subtraction and that the inverse of subtraction was addition...
could you
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i agree with all of it but still don't see how X + B = C we can simply solve for B by simply multiplying the whole equation by B^-1 which we note as -B because???? (X + B = C)B^-1 B cancels out X = B^-1 C what allows us to say that B^-1 is equal to -B