document.write( "Question 423895: Solve the system by elimination:\r
\n" ); document.write( "\n" ); document.write( "8x + 4y = 0
\n" ); document.write( "4x - 2y = 2 \n" ); document.write( "

Algebra.Com's Answer #295561 by MathLover1(20849) $\"\"$ $\"About$

You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( " $\"8x+%2B+4y+=+0\"$ ........1
\n" ); document.write( " $\"4x+-+2y+=+2\"$ .......2..multiply by $\"2\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"8x+%2B+4y+=+0\"$ ........1
\n" ); document.write( " $\"8x+-+4y+=+4\"$ .......2....now subtract from 1
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\n" ); document.write( "\n" ); document.write( " $\"8x-8x+%2B+4y-%28-4y%29+=+0-4\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"+4y-%28-4y%29+=+-4\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"+4y%2B4y+=+-4\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"+8y+=+-4\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"+y+=+-4%2F8\"$ \r
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\n" ); document.write( "\n" ); document.write( " $\"+y+=+-1%2F2\"$ ......now find $\"x\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"4x+-+2%28-1%2F2%29+=+2\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"4x+-+cross%282%29%28-1%2Fcross%282%29%29+=+2\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"4x+-+%28-1%29+=+2\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"4x+%2B1+=+2\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"4x+=+2-1\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"4x+=+1\"$ \r
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\n" ); document.write( "\n" ); document.write( " $\"x+=+1%2F4\"$ \r
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