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10-11-2020
Mathematics

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The sum of three consecutive even numbers is 438. What is the 2nd number?

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10-11-2020

First number = x

Second number = x + 2

Third number = x + 4

X + x +2 + x + 4 = 438

Simplify:

3x + 6 = 438

Subtract 3 from both sides

3x = 432

Divide both sides by 3

X = 144

The second number is 144 + 2 = 146

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