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Deon had k dollars to begin with. He just spent 21 dollars. Using k, write an expression for the number of dollars he has left.

User Shd
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4 votes

k-21
That is the expression because k is the total amount of money he has and 21 is subtracted from it
User Grettke
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4 votes

Answer:

k - 21 = x (x being how much he has left)

User Nort
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