Question 768389
{{{a+b=43}}}  and  {{{(a+11)/(b+11)=7/6}}}
The second equation can be reworked,
{{{a+11=(7/6)(b+11)}}}
{{{6(a+11)=7(b+11)}}}
{{{6a+66=7b+77}}}
{{{6a-7b=77-66}}}
{{{6a-7b=11}}}


system is {{{highlight(a+b=43)}}} and {{{highlight(6a-7b=11)}}}