Question 761218
{{{ a^x=c^q }}} --> {{{ (a^x)^y=(c^q)^y }}} --> {{{ a^(xy)=c^(qy) }}}
{{{ c^y=a^z }}} --> {{{ (c^y)^q=(a^z)^q }}} --> {{{ c^(yq)=a^(zq) }}} --> {{{ c^(qy)=a^(qz) }}}
{{{system(a^(xy)=c^(qy),c^(qy)=a^(qz))}}} --> {{{a^(xy)=a^(qz)}}} --> {{{xy=qz}}}