document.write( "Question 1199697: what is x - y = -2 and -4x + 4y = 8 \n" ); document.write( "
Algebra.Com's Answer #833655 by josgarithmetic(39618)\"\" \"About 
You can put this solution on YOUR website!
Look carefully at the second equation.\r
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\n" ); document.write( "\n" ); document.write( "\"-4x%2B4y=8\"\r
\n" ); document.write( "\n" ); document.write( "\"-4%28x%2By%29=%28-4%29%28-2%29\"\r
\n" ); document.write( "\n" ); document.write( "\"%28-1%2F4%29%28-4%28x%2By%29%29=%28-1%2F4%29%28-4%29%28-2%29\"
\n" ); document.write( "and what do you think comes next?
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