Question 1098079

{{{ 70 < x + (x+2) + (x+4) < 80  }}}
{{{  70 < 3x + 6 < 80 }}}
{{{ 64 < 3x < 74 }}}
{{{ 21.333 < x < 24.667 }}}

Two solutions:
x = 22    —>  { 22, 24, 26 }   
and
x = 24   —>  { 24, 26, 28  }