2021 JMPSC Invitationals Problems/Problem 8
Revision as of 15:05, 11 July 2021 by Samrocksnature (talk | contribs) (Created page with "==Problem== Let <math>x</math> and <math>y</math> be real numbers that satisfy <cmath>(x+y)^2(20x+21y) = 12</cmath> (x+y)(20x+21y)^2 = 18.<math></math> Find <math>21x+20y</mat...")
Problem
Let 
and 
be real numbers that satisfy
![\[(x+y)^2(20x+21y) = 12\]](http://latex.artofproblemsolving.com/7/8/f/78f693cb7d70dc2ab468c46ec65dfa02a6894a28.png)
(x+y)(20x+21y)^2 = 18.$$ (Error compiling LaTeX. Unknown error_msg)
Find 
.
Solution
asdf
