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He sum of three numbers in order is 57. The equation that represents this is x + (x + 1) + (x + 2) = 57. Which value of x from the set {16, 17, 18, 19} makes the equation true?<…

He sum of three numbers in order is 57. The equation that represents this is x + (x + 1) + (x + 2) = 57. Which value of x from the set {16, 17, 18, 19} makes the equation true?<…
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he sum of three numbers in order is 57. The equation that represents this is x + (x + 1) + (x + 2) = 57. Which value of x from the set {16, 17, 18, 19} makes the equation true?

User Mike Ward
by
7.3k points

1 Answer

4 votes
x = 18

The value "18" from the data set makes the equation true.

x + ( x + 1 ) + ( x + 2 ) = 57

18 + ( 18 + 1 ) + ( 18 + 2 ) = 57

18 + 19 + 20 = 57

57 = 57
User Ben Lesh
by
7.0k points
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