document.write( "Question 501169: what are the missing coordinates of y+7x=4 (-1,?) and(3,?)
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Algebra.Com's Answer #338449 by MathLover1(20850) $\"\"$ $\"About$

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\n" ); document.write( "\n" ); document.write( " $\"y%2B7x=4\"$ \r
\n" ); document.write( "\n" ); document.write( "(-1,?) ...given $\"x=-1\"$ , find $\"y\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"y%2B7%28-1%29=4\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"y-7=4\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"y=4%2B7\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"y=11\"$ \r
\n" ); document.write( "\n" ); document.write( "and(3,?) ...given $\"x=3\"$ , find $\"y\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"y%2B7%283%29=4\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"y%2B21=4\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"y=4-21\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"y=-17\"$ \r
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\n" ); document.write( "\n" ); document.write( " (-1,11) and(3,-17)\r
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