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Omni-MATH / If wxyz is a four-digit positive integer with w≠0, the layer sum of this integer equals wxyz+xyz+yz+z. If the layer sum of wxyz equals 2014, what is the value of w+x+y+z?

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problem

If wxyzwxyz is a four-digit positive integer with w≠0w \neq 0, the layer sum of this integer equals wxyz+xyz+yz+zwxyz + xyz + yz + z. If the layer sum of wxyzwxyz equals 2014, what is the value of w+x+y+zw + x + y + z?
Plain-text mathematical notation (without MathML)
If wxyz is a four-digit positive integer with w≠0, the layer sum of this integer equals wxyz+xyz+yz+z. If the layer sum of wxyz equals 2014, what is the value of w+x+y+z?
Original LaTeX notation
If $wxyz$ is a four-digit positive integer with $w \neq 0$, the layer sum of this integer equals $wxyz + xyz + yz + z$. If the layer sum of $wxyz$ equals 2014, what is the value of $w + x + y + z$?

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