document.write( "Question 553899: 3x-y=7
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\n" ); document.write( "\n" ); document.write( "i can use any method and i would like easy steps thanks
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Algebra.Com's Answer #361105 by Alan3354(69443)\"\" \"About 
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3x-y=7
\n" ); document.write( "9x-3y=21
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\n" ); document.write( "The 2nd eqn is 3 times the 1st.
\n" ); document.write( "Dependent --> infinite # of solutions.
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