V 12R r R solve for R

V=12R/(r+R)
=> V*r + V*R = 12R
=> Vr = 12R - VR
=> Vr = R(12-V)
=> R = Vr/(12-V)[V is not equal to 12]
10 years agoHelpfull: Yes(7) No(1)

v(r+R)=12R
vr+vR=12R;(12-v)R=vr;
R=vr/(12-v)
10 years agoHelpfull: Yes(1) No(0)
V=12R/(r+R)

=> (r+R)/R = 12/V

=> (r+R)+1 = 12/V

=> r/R = (12/V)-1

=> r/R = (12-V)/V

=> R = Vr/(12-V)
10 years agoHelpfull: Yes(1) No(0)
v=12R/r+R
v(r+R)=12R
vr+vR=12R
vr=12R-vR
vr=R(12-v)
R=12-v/vr
10 years agoHelpfull: Yes(0) No(11)
=>Vr+VR=12R
=>Vr=R(V+12)
=>R=Vr/(V+12)
10 years agoHelpfull: Yes(0) No(3)
V(r+R)=12R
Vr=12R-VR
Vr=R(12-V)
i.e R=Vr/(12-V)
10 years agoHelpfull: Yes(0) No(0)
R=V*r/(12-V);
simple simplification of given expression
10 years agoHelpfull: Yes(0) No(0)
V(r+R)=12R
Vr+VR=12R
Vr=12R-VR
Vr=(12-V)R
R=Vr/(12-V)
10 years agoHelpfull: Yes(0) No(0)
V=12R/(r+R)
Vr+VR=12R
Vr=12R-VR
R(12-V)=Vr
R=Vr/(12-V)
10 years agoHelpfull: Yes(0) No(0)
R=vr/(12-v)
10 years agoHelpfull: Yes(0) No(0)
V(r+R)=12R =>Vr+VR=12R
R(V-12R)=-Vr
R=Vr/12R-V
10 years agoHelpfull: Yes(0) No(0)
V=12R/(r+R)
V(r+R)=12R
Vr+VR=12R
Vr=12R-VR
Vr=R(12-V)
R(12-V)=Vr
R=Vr/(12-V)
6 years agoHelpfull: Yes(0) No(0)

V=12R/(r+R) solve for R