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7 votes
7 votes
If 5k = -25, then 5k - 1 = -25 - 1
Segment proof

User Chota Bheem
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1 Answer

7 votes
7 votes
yeah cuz u could +1 to each side of the second equation to get rid of both the -1’s and that is equivalent to the first equation :)
User Kukeltje
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