Question 1092059
{{{0.5O+0.6A=4.10}}}
1.{{{5O+6A=41}}}
and
2.{{{O+A=9}}}
Multiply 2 by 5 and subtract from 1,
{{{5O+6A-5O-5A=41-45}}}
{{{A=-4}}}
Check your problem setup. 
The number of apples and oranges must be positive integers.
Please check and repost.