Question 1020899
Let {{{ x }}} = his age now
{{{ x + 46 }}} = his age in 46 years
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{{{ x + 46 = 3x }}}
{{{ 2x = 46 }}}
{{{ x = 23 }}}
He is 23 now
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check:
In 46 years, he will be:
{{{ 23 + 46 = 69 }}}
{{{ 69 = 3*23 }}}
{{{ 69 = 69 }}}
OK