Question 1130027
{{{ log( 3,x ) - log( 3,7 ) = 3 }}}
{{{ log( 3, x/7 ) = log( 3,27 ) }}}
{{{ x/7 = 27 }}}
{{{ x = 189 }}}
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check:
{{{ log( 3,189 ) - log( 3,7 ) = 3 }}}
{{{ log( 3, 189/7 ) = log( 3,27 ) }}}
{{{ 189/7 = 27 }}}
{{{ 189 = 189 }}}
OK