Question 1101511
x, Max's age.


{{{7(x-7)=9(x-9)}}}------this is what the description said.


{{{7x-49=9x-81}}}
{{{81-49=2x}}}
{{{cross(2x=37)}}}
{{{cross(x=37/2)}}}
-
{{{2x=32}}}
{{{x=16}}}


{{{cross(x=18&1/2)}}}