Question 117411
The integers are {{{n}}},{{{n+1}}},{{{n+2}}}
{{{4(n+1) + (n+2) = 6n - 9}}}
{{{4n + 4 + n + 2  = 6n - 9}}}
{{{5n + 6 = 6n - 9}}}
{{{n = 15}}}
The integers are {{{15}}},{{{16}}},{{{17}}}
check answers
{{{4(n+1) + (n+2) = 6n - 9}}}
{{{4*16 + 17 = 6*15 - 9}}}
{{{64 + 17 = 90 - 9}}}
{{{81 = 81}}}
OK