document.write( "Question 103689: 4x-5y=20\r
\n" ); document.write( "\n" ); document.write( "complete the values\r
\n" ); document.write( "\n" ); document.write( "x y
\n" ); document.write( "o ?
\n" ); document.write( "? 0
\n" ); document.write( "-5 ?
\n" ); document.write( "? 4 \n" ); document.write( "
Algebra.Com's Answer #75560 by elima(1433)\"\" \"About 
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4x-5y=20
\n" ); document.write( "complete the values
\n" ); document.write( "x y
\n" ); document.write( "o ?
\n" ); document.write( "? 0
\n" ); document.write( "-5 ?
\n" ); document.write( "? 4
\n" ); document.write( "===========
\n" ); document.write( "4x-5y=20
\n" ); document.write( "x=0
\n" ); document.write( "4(0)-5y=20
\n" ); document.write( "-5y=20
\n" ); document.write( "y=-4
\n" ); document.write( "when x=0; y=-4
\n" ); document.write( "======================
\n" ); document.write( "y=0
\n" ); document.write( "4x-5(0)=20
\n" ); document.write( "4x=20
\n" ); document.write( "x=5
\n" ); document.write( "when y=0, x=5
\n" ); document.write( "====================
\n" ); document.write( "x=-5
\n" ); document.write( "4(-5)-5y=20
\n" ); document.write( "-20-5y=20
\n" ); document.write( "-5y=40
\n" ); document.write( "y=-8
\n" ); document.write( "when x=-5, y=-8
\n" ); document.write( "======================
\n" ); document.write( "y=4
\n" ); document.write( "4x-5(4)=20
\n" ); document.write( "4x-20=20
\n" ); document.write( "4x=40
\n" ); document.write( "x=10
\n" ); document.write( "when y=4, x=10
\n" ); document.write( "==================
\n" ); document.write( ":) \n" ); document.write( "
\n" );