Question 677441
Let {{{ d }}} = the Daughter's age now
{{{ d + 26 }}} is the Father's age now
{{{ d + 4 }}} = the Daughter's age in {{{ 4 }}} years
{{{ 5*( d + 4 ) + 2 }}} = the Father's age in {{{ 4 }}} years
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The thing about ages is that the difference between
their ages will always remain the same, {{{ 26 }}} years, so
{{{ 5*( d + 4 ) + 2 - ( d + 4 ) = 26 }}}
{{{ 5d + 20 + 2 - d - 4 = 26 }}}
{{{ 4d = 26 - 20 - 2 + 4 }}}
{{{ 4d = 8 }}}
{{{ d = 2 }}}
{{{ d + 26 = 2 + 26 }}}
{{{ d + 26 = 28 }}}
The Daughter's age  is 2 now
The Father's age is 28 now
check:
{{{ 5*( d + 4 ) + 2 - ( d + 4 ) = 26 }}}
{{{ 5*( 2 + 4 ) + 2 - ( 2 + 4 ) = 26 }}}
{{{ 5*6 + 2 - 6 = 26 }}}
{{{ 32 - 6 = 26 }}}
{{{ 32 = 32 }}}
OK