Question 265342
E= (Th-Tc) / Th
solve for Th
:
{{{E= (Th-Tc) / Th}}}
{{{E= (Th/Th)-(Tc/Th)}}}
which is
{{{E= 1-(Tc/Th)}}}
{{{E-1 =-(Tc/Th)}}}
:
Multiply both sides by Th
Th(E-1) = -Tc
:
divide both sides by (E-1)
Th = {{{-Tc/(E-1)}}}