document.write( "Question 203355: Please I need help with this one. Thanks million.
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document.write( " Solve by the elimination method.
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document.write( "7r+3s=38
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document.write( "3r+7s=66
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document.write( "21r+9s= -114
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document.write( "-21r-49= -462
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document.write( "-58= -576
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document.write( "S=? 9.9....?
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document.write( "7r-3(3)=-38
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document.write( "R=?
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Algebra.Com's Answer #153423 by scott8148(6628)![]() ![]() You can put this solution on YOUR website! 7r+3s=38 \n" ); document.write( "3r+7s=66 \n" ); document.write( "--------------\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "21r+9s= -114 ___ why is the 114 negative? \n" ); document.write( "try ___ 21r + 9s = 114\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "-21r-49= -462 ___ what happened to the \"s\"? \n" ); document.write( "try ___ -21r - 49s = -462\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "-58= -576 ___ -40s = -348 ___ s = 8.7 \n" ); document.write( "S=? 9.9....? \n" ); document.write( "--------------\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "7r + 3 (8.7) = 38 ___ 7r + 26.1 = 38 ___ 7r = 11.9 ___ r = 1.7 \n" ); document.write( "R=? \n" ); document.write( " |