Question 1074498
{{{A+B=12}}}
{{{A/2-2B=16}}}
From the second equation,
{{{A/2=2B+16}}}
{{{A=4B+32}}}
Substitute into the first,
{{{4B+32+B=12}}}
{{{5B=-20}}}
Solve for B, then use either equation to solve for A.