Question 1102246
-------------------------------------------------------------------------
Let x be the first number. The second number thrice the first, and the third is 5 less than twice the second. 
------------------------------------------------------------------------

<pre>
FIRST        x
SECOND      3x
THIRD       2*3x-5
</pre>


Sum of them is S.
{{{S=x+3x+6x-5}}}
{{{S=10x-5}}}
{{{highlight(S(x)=10x-5)}}}