document.write( "Question 615086: I need hep please! Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this please.\r
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document.write( "-3x - 5y = 61
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document.write( "7x - 5y = -9 \n" );
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Algebra.Com's Answer #386926 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! -3x - 5y = 61 \n" ); document.write( "7x - 5y = -9 \n" ); document.write( "----- \n" ); document.write( "Subtract to get: \n" ); document.write( "10x = -70 \n" ); document.write( "x = -7 \n" ); document.write( "---- \n" ); document.write( "Solve for \"y\": \n" ); document.write( "7x - 5y = -9 \n" ); document.write( "7*-7 - 5y = -9 \n" ); document.write( "-49 - 5y = -9 \n" ); document.write( "5y = -49+9 \n" ); document.write( "5y = -40 \n" ); document.write( "y = -8 \n" ); document.write( "------- \n" ); document.write( "Solution: (-7.-8) \n" ); document.write( "===================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "===================== \n" ); document.write( " |