document.write( "Question 515537: Complete the ordered pairs so that each is a solution for the equation 2x + y = 10.
\n" ); document.write( " (5,__?__), (__?__, 10), (__?__, –2), (7, __?__)
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Algebra.Com's Answer #344049 by MathLover1(20850)\"\" \"About 
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for the equation \"2x+%2B+y+=+10\"\r
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\n" ); document.write( "\n" ); document.write( "(5,__?__), ......here is \"x=5\"..plug it in \"2x+%2B+y+=+10\" and solve for \"y\"\r
\n" ); document.write( "\n" ); document.write( "\"2%2A5+%2B+y+=+10\"\r
\n" ); document.write( "\n" ); document.write( "\"10+%2B+y+=+10\"\r
\n" ); document.write( "\n" ); document.write( "\"+y+=+10-10\"\r
\n" ); document.write( "\n" ); document.write( "\"y+=+0\"\r
\n" ); document.write( "\n" ); document.write( "so, you have (5,0),\r
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\n" ); document.write( "\n" ); document.write( "(__?__, 10), ......here is \"y=10\"..plug it in \"2x+%2B+y+=+10\" and solve for \"x\"\r
\n" ); document.write( "\n" ); document.write( "\"2x+%2B+10+=+10\"\r
\n" ); document.write( "\n" ); document.write( "\"2x+=+10-10\"\r
\n" ); document.write( "\n" ); document.write( "\"+2x+=+0\"\r
\n" ); document.write( "\n" ); document.write( "\"x+=+0\"\r
\n" ); document.write( "\n" ); document.write( "so, you have (0,10),\r
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\n" ); document.write( "\n" ); document.write( "(__?__, –2),......here is \"y=-2\"..plug it in \"2x+%2B+y+=+10\" and solve for \"x\"\r
\n" ); document.write( "\n" ); document.write( "\"2x+-2+=+10\"\r
\n" ); document.write( "\n" ); document.write( "\"2x+=+10%2B2\"\r
\n" ); document.write( "\n" ); document.write( "\"+2x+=+12\"\r
\n" ); document.write( "\n" ); document.write( "\"x+=+6\"\r
\n" ); document.write( "\n" ); document.write( "so, you have (6,-2),\r
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\n" ); document.write( "\n" ); document.write( " (7, __?__) ......here is \"x=7\"..plug it in \"2x+%2B+y+=+10\" and solve for \"y\"\r
\n" ); document.write( "\n" ); document.write( "\"2%2A7+%2B+y+=+10\"\r
\n" ); document.write( "\n" ); document.write( "\"14%2B+y+=+10\"\r
\n" ); document.write( "\n" ); document.write( "\"+y+=+10-14\"\r
\n" ); document.write( "\n" ); document.write( "\"y+=+-4\"\r
\n" ); document.write( "\n" ); document.write( "so, you have (7,-4)\r
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