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How to find the unknown value within given the two points on the line? My value means for example, a, b, c, etc....

User Nhnghia
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1 Answer

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Ok so let's say a is 15 and b is 25 the answer would be 20 because you can add 5 to 15 to get that and subtract 5 from 25 and you get that answer.
User Scythargon
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