Question 1064656
Multiply by 2;
Subtract 18;
Divide by 7.



{{{g^(-1)(x)=(2x-18)/7}}}




Quick alternative:
{{{(7y+18)/2=x}}}
{{{7y+18=2x}}}
{{{7y=2x-18}}}
{{{y=(2x-18)/7}}}