document.write( "Question 563653: Hi there, this is the question: Maggie is x years old, Nigel is twice maggies age, Helen is 4 years older than nigel.\r
\n" ); document.write( "\n" ); document.write( "Their total combined age is 64 years. Form an equation and solve it to find helens age.\r
\n" ); document.write( "\n" ); document.write( "Cheers
\n" ); document.write( "

Algebra.Com's Answer #364976 by josmiceli(19441)\"\" \"About 
You can put this solution on YOUR website!
given:
\n" ); document.write( "(1) \"+m+=+x+\"
\n" ); document.write( "(2) \"+n+=+2x+\"
\n" ); document.write( "(3) \"+h+=+n+%2B+4+\"
\n" ); document.write( "(4) \"+x+%2B+n+%2B+h+=+64+\"
\n" ); document.write( "---------------------
\n" ); document.write( "Substitute (2) into (3)
\n" ); document.write( "(3) \"+h+=+2x+%2B+4+\"
\n" ); document.write( "---------------------
\n" ); document.write( "(4) \"+x+%2B+2x+%2B+2x+%2B+4+=+64+\"
\n" ); document.write( "(4) \"+5x+=+60+\"
\n" ); document.write( "(4) \"+x+=+12+\"
\n" ); document.write( "Maggie is 12
\n" ); document.write( "Nigel is 24
\n" ); document.write( "Helen is 24 + 4 = 28
\n" ); document.write( "check:
\n" ); document.write( "\"+12+%2B+24+%2B+28+=+64+\"
\n" ); document.write( "\"+36+%2B+28+=+64+\"
\n" ); document.write( "\"+64+=+64+\"
\n" ); document.write( "OK
\n" ); document.write( "
\n" );