document.write( "Question 971074: Solve the system of inequalities graphically:
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document.write( "y is greater than or equal to x-4
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document.write( "y is less than or equal to -2x-8\r
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document.write( "Thank you for your help!! \n" );
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Algebra.Com's Answer #593771 by khai(18)![]() ![]() You can put this solution on YOUR website! y is greater than or equal to x-4 -------------- equation (1) \n" ); document.write( "y is less than or equal to -2x-8 -------------- equation (2) \n" ); document.write( "multiply by 2 to equation (1) \n" ); document.write( "2y is greater than or equal to 2x-8 ------------ equation (3) \n" ); document.write( "add equation (3) and (2) \n" ); document.write( "2y+y = (2x-8)+(-2x-8) \n" ); document.write( "3y = -16 \n" ); document.write( "y = -16/3 \n" ); document.write( "substitute y value into equation (1) \n" ); document.write( "x = -4/3 \r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |