 
 <prompt> Rodney, Roger da Ron za su iya zama matsayin zama na 239 pounds. Rodney zai iya zama dubu biyu da Roger, kuma Roger zai iya zama 7 pounds yawan 4 mako da Ron zai iya zama. Me yasa Rodney zai iya zama? <response>: ```x ya bayyana kudin da Ron zai iya cire.
Roger: 4x-7
Rodney:2(4x-7)=8x-14
Jumla:x+4x-7+8x-14=239
13x-21=239
13x=260
x=20
Rodney:8(20)-14=146 pounds

Javaba zai kasance 146.``` 