document.write( "Question 120872: Find values for m and b in the following system so that the solution to the system is (-3, 4).\r
\n" ); document.write( "\n" ); document.write( "5x + 7y = b
\n" ); document.write( "mx + y = 22
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Algebra.Com's Answer #88687 by solver91311(24713)\"\" \"About 
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\"5x+%2B+7y+=+b\"
\n" ); document.write( "\"mx+%2B+y+=+22\"\r
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\n" ); document.write( "\n" ); document.write( "Just substitute the values from the ordered pair given and solve:\r
\n" ); document.write( "\n" ); document.write( "\"5%28-3%29%2B7%284%29=b\"
\n" ); document.write( "\"-15%2B28=b\"
\n" ); document.write( "\"b=13\"\r
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\n" ); document.write( "\n" ); document.write( "\"m%28-3%29+%2B+4+=+22\"
\n" ); document.write( "\"m%28-3%29+=+18\"
\n" ); document.write( "\"m=18%2F-6\"
\n" ); document.write( "\"m=-3\"\r
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