Question 720491
Let {{{ a }}} = his current age
{{{ a + 1 }}} = his age 1 year from now
given:
{{{ a + a + 1 = 17 }}}
{{{ 2a = 16 }}}
{{{ a = 8 }}}
and
{{{ a + 6 = 8 + 6 }}}
{{{ a + 6  = 14 }}}
Jack will be 14 in 6 years