Question 1123118
<pre>
First           x+23
Second           x
Third            y
TOTAL           210


{{{(x+23)+x=2y+15}}}
</pre>


{{{system((x+23)+x+y=210,(x+23)+x=2y+15)}}}

-

{{{system(2x+y=187,2x-2y=-8)}}}


{{{system(2x+y=187,x-y=-4)}}}

Add corresponding members.

{{{3x=183}}}

{{{highlight(x=61)}}}
-
{{{highlight(84)}}},x+23


{{{210-61-84=highlight(65)}}}

<pre>
SCORE ID          VALUE
First ------------- 84
Second ----------- 61
Third ------------ 65
</pre>