document.write( "Question 122734: Please? I need help? Thank you.\r
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document.write( "solve by graphing: x - 2y = 8
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document.write( " x + y = - 1\r
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document.write( "solve by substitution: 5x -3y = 13
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document.write( " 4x - 3y = 11 \n" );
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Algebra.Com's Answer #90131 by checkley71(8403)![]() ![]() ![]() You can put this solution on YOUR website! X-2Y=8 \n" ); document.write( "X+Y=-1 NOW SUBTRACT \n" ); document.write( "------------------------------ \n" ); document.write( "-3Y=9 \n" ); document.write( "Y=9/-3 \n" ); document.write( "Y=-3 ANSWER. \n" ); document.write( "X+(-3)=-1 \n" ); document.write( "X-3=-1 \n" ); document.write( "X=-1+3 \n" ); document.write( "X=2 ANSWER. \n" ); document.write( "PROOF \n" ); document.write( "2-2*-3=8 \n" ); document.write( "2+6=8 \n" ); document.write( "8=8 \n" ); document.write( " \n" ); document.write( " |