document.write( "Question 87002: y=2x y=x=3 please give me some understanding of how to substitute variables \n" ); document.write( "
Algebra.Com's Answer #62988 by checkley75(3666)\"\" \"About 
You can put this solution on YOUR website!
BELIEVE YOU HAVE 1 TOO MANY = SIGNS IN THE SECOND EQUATION.
\n" ); document.write( "IF Y=X=3 THEN
\n" ); document.write( "3=2*3
\n" ); document.write( "3=6 NOT VALID.
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