Question 894886
{{{A+B=11}}}
{{{A^2-B^2=33}}}
Substituting,
{{{(11-B)^2-B^2=33}}}
{{{121-22B+B^2-B^2=33}}}
{{{-22B+121=33}}}
{{{-22B=33-121}}}
{{{-22B=-88}}}
{{{B=4}}}
Then,
{{{A+4=11}}}
{{{A=7}}}