Question 1199269
{{{A=(2 Tt+Qq)/(2T+Q) }}}
"Solve for Q."



Nothing tricky needed.

{{{A(2T+Q)=2Tt+Qq}}}

{{{2AT+AQ=2Tt+Qq}}}

{{{2AT+AQ=2Tt+qQ}}}

{{{AQ=2Tt-2AT+qQ}}}

{{{AQ-qQ=2Tt-2AT}}}

{{{(A-q)Q=2Tt-2AT}}}

{{{Q=(2Tt-2AT)/(A-q)}}}---------------or whatever is equivalent