document.write( "Question 995666: I have tried very hard to solve this problem, but I'm stuck. Please help me solve this problem:\r
\n" ); document.write( "\n" ); document.write( "g(x) = x -2 , f(x) = 3x - 2 , find x such that g(g(x)) = f(f(x))
\n" ); document.write( "

Algebra.Com's Answer #614350 by MathLover1(20850)\"\" \"About 
You can put this solution on YOUR website!

\n" ); document.write( "\"g%28x%29+=+x+-2\" , \"f%28x%29+=+3x+-+2\" , \r
\n" ); document.write( "\n" ); document.write( "find \"x\" such that \"g%28g%28x%29%29+=+f%28f%28x%29%29\"\r
\n" ); document.write( "\n" ); document.write( "\"g%28g%28x%29%29+=+g%28x+-2%29\"\r
\n" ); document.write( "\n" ); document.write( "\"g%28g%28x%29%29+=+%28x+-2%29-2\"\r
\n" ); document.write( "\n" ); document.write( "\"g%28g%28x%29%29+=+x+-2-2\"\r
\n" ); document.write( "\n" ); document.write( "\"g%28g%28x%29%29+=+x+-4\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"f%28f%28x%29%29+=+f%283x+-+2%29\"\r
\n" ); document.write( "\n" ); document.write( "\"f%28f%28x%29%29+=+3%283x+-+2%29+-+2\"\r
\n" ); document.write( "\n" ); document.write( "\"f%28f%28x%29%29+=+9x+-+6+-+2\"\r
\n" ); document.write( "\n" ); document.write( "\"f%28f%28x%29%29+=+9x+-+8\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"g%28g%28x%29%29+=+f%28f%28x%29%29\"\r
\n" ); document.write( "\n" ); document.write( "\"+x+-4+=+9x+-+8\"\r
\n" ); document.write( "\n" ); document.write( "\"+8+-4+=+9x+-+x\"\r
\n" ); document.write( "\n" ); document.write( "\"+4+=+8x\"\r
\n" ); document.write( "\n" ); document.write( "\"+4%2F8=x\"\r
\n" ); document.write( "\n" ); document.write( "\"+highlight%28x=1%2F2%29\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "check:\r
\n" ); document.write( "\n" ); document.write( "\"g%28x%29+=+x+-2\"=>\"g%28x%29+=+1%2F2+-2\"=>\"g%28x%29+=+-3%2F2\"\r
\n" ); document.write( "\n" ); document.write( "\"g%28g%28x%29%29=g%28-3%2F2%29+\" \r
\n" ); document.write( "\n" ); document.write( "\"g%28g%28x%29%29=%28-3%2F2%29-2+\" \r
\n" ); document.write( "\n" ); document.write( "\"g%28g%28x%29%29=%28-3%2F2%29-4%2F2+\" \r
\n" ); document.write( "\n" ); document.write( "\"g%28g%28x%29%29=-7%2F2+\" \r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"f%28x%29+=+3x+-+2\"\r
\n" ); document.write( "\n" ); document.write( "\"f%28x%29+=+3%281%2F2%29-+2\"\r
\n" ); document.write( "\n" ); document.write( "\"f%28x%29+=+3%2F2-+4%2F2\"\r
\n" ); document.write( "\n" ); document.write( "\"f%28x%29+=+-+1%2F2\"\r
\n" ); document.write( "\n" ); document.write( "\"+f%28f%28x%29%29=f%28-+1%2F2%29\"\r
\n" ); document.write( "\n" ); document.write( "\"+f%28f%28x%29%29=3%28-+1%2F2%29-2\"\r
\n" ); document.write( "\n" ); document.write( "\"+f%28f%28x%29%29=-+3%2F2-4%2F2\"\r
\n" ); document.write( "\n" ); document.write( "\"+f%28f%28x%29%29=-+7%2F2\"\r
\n" ); document.write( "\n" ); document.write( "so, \"g%28g%28x%29%29+=+f%28f%28x%29%29\" for \"x=1%2F2\"
\n" ); document.write( "
\n" ); document.write( "
\n" );