document.write( "Question 388087: please help me with this problem using elimantion 8x=9-5y
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document.write( " 8x-3y=-31 \n" );
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Algebra.Com's Answer #274403 by stanbon(75887) ![]() You can put this solution on YOUR website! please help me with this problem using elimantion \n" ); document.write( "8x=9-5y \n" ); document.write( "8x-3y=-31 \n" ); document.write( "--- \n" ); document.write( "Rearrange: \n" ); document.write( "8x + 5y = 9 \n" ); document.write( "8x - 3y = -31 \n" ); document.write( "-------- \n" ); document.write( "Add to get: \n" ); document.write( "Subtract to get: \n" ); document.write( "8y = 40 \n" ); document.write( "y = 5 \n" ); document.write( "---- \n" ); document.write( "Substitute and solve for \"x\": \n" ); document.write( "8x = 9 - 5(5) \n" ); document.write( "8x = -16 \n" ); document.write( "x = -2 \n" ); document.write( "------ \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |