document.write( "Question 971074: Solve the system of inequalities graphically:
\n" ); document.write( "y is greater than or equal to x-4
\n" ); document.write( "y is less than or equal to -2x-8\r
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Algebra.Com's Answer #593771 by khai(18)\"\" \"About 
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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
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