Question 976670
1.{{{A+B=4.1}}}
2.{{{A+C=5.8}}}
3.{{{B+C=6.5}}}
Subtracting 3 from 1,
{{{A+B-B-C=4.1-6.5}}}
{{{A-C=-2.4}}}
Adding this to eq. 2,
{{{A+C+A-C=5.8-2.4}}}
{{{2A=3.4}}}
{{{A=1.7}}}
Then,
{{{1.7+B=4.1}}}
{{{B=2.4}}}
And,
{{{1.7+C=5.8}}}
{{{C=4.1}}}