document.write( "Question 742040: Solve this by substitution.
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document.write( "2x-3y=8
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document.write( "x+y=11 \r
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document.write( "enter answer like (_,_) please thanks \n" );
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Algebra.Com's Answer #452253 by stanbon(75887) ![]() You can put this solution on YOUR website! Solve this by substitution. \n" ); document.write( "2x-3y=8 \n" ); document.write( "x+y=11 \n" ); document.write( "=========== \n" ); document.write( "y = 11-x \n" ); document.write( "------- \n" ); document.write( "Substitute for \"y\" and solve for \"x\": \n" ); document.write( "2x - 3*(11-x) = 8 \n" ); document.write( "2x -33 + 3x = 8 \n" ); document.write( "5x = 41 \n" ); document.write( "---- \n" ); document.write( "x = 41/5 \n" ); document.write( "====================================== \n" ); document.write( "Solve for \"y\": \n" ); document.write( "y = 11-(41/5) \n" ); document.write( "y = (5/5)-(41/5) = -36/5 \n" ); document.write( "=============================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "==================== \n" ); document.write( " |