document.write( "Question 894331: Twelve years ago Eric's father was seven times as old as Eric was. If Eric's father is now 54 years old, how old is Eric now? \n" ); document.write( "
Algebra.Com's Answer #541922 by mark_henrhiz(40)\"\" \"About 
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let 54 = be Eric's father's age now
\n" ); document.write( "let x = be Eric's age now\r
\n" ); document.write( "\n" ); document.write( "54 - 12 = 7(x-12)
\n" ); document.write( " 42 = 7x - 84
\n" ); document.write( "42 + 84 = 7x
\n" ); document.write( " 126 = 7x
\n" ); document.write( " 18 = x\r
\n" ); document.write( "\n" ); document.write( "THEREFORE, ERIC'S AGE IS 18
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