document.write( "Question 230067: I need to translate each sum sentence into an equation. then find each number
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\n" ); document.write( "\n" ); document.write( "Mary is 30 years old. this is 5 less than 7 times her son's age.
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Algebra.Com's Answer #170437 by rapaljer(4671)\"\" \"About 
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Let x = the son's age
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\n" ); document.write( "\n" ); document.write( "Since Mary's age is 30,\r
\n" ); document.write( "\n" ); document.write( "7x-5=30\r
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\n" ); document.write( "\n" ); document.write( "Add +5 to each side:
\n" ); document.write( "7x-5+5=30+5
\n" ); document.write( "7x=35
\n" ); document.write( "x=5 Son's age
\n" ); document.write( "7x-5= Mary's age
\n" ); document.write( "7*5-5= 35-5=30 It checks!!\r
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\n" ); document.write( "\n" ); document.write( "Dr. Robert J. Rapalje, Retired
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