document.write( "Question 827946: hi im in algebra honors and i thought i needed immediate help on solving linear systems my substitution.. for example i need help on 4.5x + 1.5y = 24
\n" ); document.write( "x-y=4 help me please? \r
\n" ); document.write( "\n" ); document.write( "thank you.
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Algebra.Com's Answer #498946 by Alan3354(69443)\"\" \"About 
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4.5x + 1.5y = 24
\n" ); document.write( "x - y = 4
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\n" ); document.write( "Eliminate fractions, multiply the 1st eqn by 2
\n" ); document.write( "9x + 3y = 48
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\n" ); document.write( "x - y = 4 --> x = y + 4
\n" ); document.write( "Sub for x in the 1st eqn
\n" ); document.write( "9(y+4) + 3y = 48
\n" ); document.write( "9y + 36 + 3y = 48
\n" ); document.write( "12y = 12
\n" ); document.write( "y = 1
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\n" ); document.write( "x = y+4
\n" ); document.write( "x = 5
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