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Which value in the set {5, 6, 7, 8, 9} is a solution of the equation 20 - f = 13 ? Show your work.
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7 votes
Which value in the set {5, 6, 7, 8, 9} is a solution of the equation 20 - f = 13 ? Show your work.

User Chaine
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1 Answer

7 votes
20-f= 13
-f= 13-20
-f= -7
f=7
User Lucas T
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