If x and y are non-negative integers such that x + 9 = z, y + 1 = z and x + y &lt; z + 5, then the maximum possible value of 2x + y equals

1 year ago

If x and y are non-negative integers such that x + 9 = z, y + 1 = z and x + y < z + 5, then the maximum possible value of 2x + y equals

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