document.write( "Question 430004: solve by elimination, to include solution (if any) and ordered pair \r
\n" ); document.write( "\n" ); document.write( "0.05x+0.25y=11
\n" ); document.write( "0.15x+0.05y=12 \n" ); document.write( "

Algebra.Com's Answer #298620 by josmiceli(19441) $\"\"$ $\"About$

You can put this solution on YOUR website!
(1) $\"+.05x%2B+.25y+=+11+\"$
\n" ); document.write( "(2) $\"+.15x%2B+.05y+=+12+\"$
\n" ); document.write( "Multiply both sides of (1) and (2) by $\"100\"$
\n" ); document.write( "(1) $\"+5x%2B+25y+=+1100+\"$
\n" ); document.write( "(2) $\"+15x%2B+5y+=+1200+\"$
\n" ); document.write( "Multiply both sides of (2) by $\"5\"$
\n" ); document.write( "and subtract (1) from (2)
\n" ); document.write( "(2) $\"+75x%2B+25y+=+6000+\"$
\n" ); document.write( "(1) $\"+-5x+-+25y+=+-1100+\"$
\n" ); document.write( " $\"+70x+=+4900+\"$
\n" ); document.write( " $\"+x+=+70+\"$
\n" ); document.write( "And
\n" ); document.write( "(1) $\"+5%2A70+%2B+25y+=+1100+\"$
\n" ); document.write( "(1) $\"+350+%2B+25y+=+1100+\"$
\n" ); document.write( "(1) $\"+25y+=+1100+-+350+\"$
\n" ); document.write( "(1) $\"+25y+=+750+\"$
\n" ); document.write( " $\"+y+=+30+\"$
\n" ); document.write( "(70,30) answer \n" ); document.write( "

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