Posted by Sumayyah on Thursday, December 18, 2008 at 11:25pm.
7x+13x=140

math  Quidditch, Thursday, December 18, 2008 at 11:35pm
7x + 13x = 140
Combine all the x terms:
20x = 140
Solve for x.
Posted by Sumayyah on Thursday, December 18, 2008 at 11:25pm.
7x+13x=140
7x + 13x = 140
Combine all the x terms:
20x = 140
Solve for x.