Question 1067821
The number, n


{{{2n+(2+n)3=21}}}


n=3




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No.  Not any decimal.
Twice a Number,  {{{2n}}}
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Product of 2 more than that number and 3, {{{(2+n)3}}}
----The RAISED DOT which may appear indicates multiplication.  The site is automatically placing that dot.
?  {{{(2+n)(3)}}}  ?