Question 1052089
How do you WANT to solve it?


{{{a+b+(-b+c)=3+3}}}
{{{a+c=6}}}



Simpler system:
{{{system(a+c=6,a+2c=10)}}}



Elimination passage to keep c.
{{{a+2c-(a+c)=10-6}}}
{{{highlight(c=4)}}}---------Try this in the second equation of your list.



{{{-b+c=3}}}
{{{b-c=-4}}}
{{{b=-4+c}}}
{{{b=-4+4}}}
{{{highlight(b=0)}}}