Question 1076397
{{{system((6-c)t=5,(6+c)t=10)}}}


Solve this equation for c:
{{{highlight_green(5/(6-c)=10/(6+c))}}}


{{{1/(6-c)=2/(6+c)}}}


{{{2(6-c)=6+c}}}

{{{12-2c=6+c}}}

{{{6=3c}}}

{{{highlight(c=2)}}}