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 t
he set {16, 17, 18, 19} makes the equation true?
1 answer:
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
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