document.write( "Question 473322: I need help solving the elimination method please.
\n" ); document.write( "0.05x+0.25y=66
\n" ); document.write( "0.15x+0.05y=72 \n" ); document.write( "
Algebra.Com's Answer #324574 by lwsshak3(11628)\"\" \"About 
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I need help solving the elimination method please.
\n" ); document.write( "0.05x+0.25y=66
\n" ); document.write( "0.15x+0.05y=72
\n" ); document.write( "**
\n" ); document.write( "0.05x+0.25y=66
\n" ); document.write( "0.15x+0.05y=72
\n" ); document.write( "multiply both equations by 100
\n" ); document.write( "1) 5x+25y=6600
\n" ); document.write( "2) 15x+5y=7200
\n" ); document.write( "multiply eq 1 by 3
\n" ); document.write( "3) 15x+75y=19800
\n" ); document.write( "2) 15x+5y=7200
\n" ); document.write( "subtract eq2 from eq3
\n" ); document.write( "4) 70y=12600
\n" ); document.write( "y=12600/70=180
\n" ); document.write( "..
\n" ); document.write( "1) 5x+25y=6600
\n" ); document.write( "5x+25(180)=6600
\n" ); document.write( "5x+4500=6600
\n" ); document.write( "5x=2100
\n" ); document.write( "x=2100/5=420
\n" ); document.write( "..
\n" ); document.write( "ans:
\n" ); document.write( "x=420
\n" ); document.write( "y=180
\n" ); document.write( "..
\n" ); document.write( "Check:
\n" ); document.write( ".05(420)+.25(180)=21+45=66
\n" ); document.write( ".15(420)+.05(180)=63+9=72 \n" ); document.write( "
\n" );