Question 657315
Let {{{ x }}} = Loretta's age now
{{{ x + 19 }}} = Loretta's age in 19 years
{{{ x - 15 }}} = Loretta's age 15 years ago
given:
{{{ x + 19 = 3*( x - 15 ) }}}
{{{ x + 19 = 3x - 45 }}}
{{{ 2x = 19 + 45 }}}
{{{ 2x = 64 }}}
{{{ x = 32 }}}
She is 32 now
check:
{{{ x + 19 = 3*( x - 15 ) }}}
{{{ 32 + 19 = 3*( 32 - 15 ) }}}
{{{ 51 = 3*17 }}}
{{{ 51 = 51 }}}
OK