In[]:=
Reduce
-ax-b
γ
x
E
-c0,a>0,b>0,γ>0,c>0,x
Reduce
:This system cannot be solved with the methods available to Reduce.
Out[]=
Reduce-c+
-ax-b
γ
x

0,a>0,b>0,γ>0,c>0,x