Question 1121540
Use the rule:
{{{ a^( b + c ) = a^b * a^c }}}
———————
{{{ e^( 7 + ln( 7x ) ) = e^7 * e^( ln( 7x ) ) }}}
The other general rule to use is:
{{{ a^( log( b ) ) = b }}}
Which gives me:
{{{ e^7 * 7x }}}