Question 611126
{{{x+y+z=20}}}
{{{y = x+1}}}
{{{z = x+2}}}
{{{x + (x+1) + (x+2) = 20}}}
{{{3x+3 = 20}}}
{{{3x = 17}}}
{{{x = 17/3}}}
So x is not a 'digit'
Answer : there are not three consecutive integers that sum to 20