document.write( "Question 615009: Could someone please help me with these problems:
\n" ); document.write( "(Substitution or Elimination method)\r
\n" ); document.write( "\n" ); document.write( "5x - 9y = 7 , 7y - 3x = -5
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Algebra.Com's Answer #386893 by Alan3354(69443)\"\" \"About 
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Could someone please help me with these problems:
\n" ); document.write( "(Substitution or Elimination method)\r
\n" ); document.write( "\n" ); document.write( "5x - 9y = 7 , 7y - 3x = -5
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\n" ); document.write( "Multiply the 2nd eqn by 3, then subtract.
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