Expression 13: .7 left parenthesis, "x" minus 3.5 6 , right parenthesis squared equals "y" plus 1.5 8 left brace, "y" less than negative 1.5 4 5 5 , right brace left brace, "x" less than 3.6 3 5 , right brace.7x−3.562=y+1.58y<−1.5455x<3.635
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Expression 14: 2 "x" plus .6 left brace, "y" less than negative 1 , right brace left brace, "y" greater than negative 2 , right brace equals "y"2x+.6y<−1y>−2=y
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Expression 15: 2 "x" plus .3 left brace, "y" less than negative 1 , right brace left brace, "y" greater than negative 2 , right brace equals "y"2x+.3y<−1y>−2=y
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Expression 16: 2 "x" plus .8 left brace, "y" less than negative 1 , right brace left brace, "y" greater than negative 1.9 , right brace equals "y"2x+.8y<−1y>−1.9=y
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Expression 17: negative 0.3 4 "x" equals "y" plus .1 3 left brace, negative .8 8 5 less than "y" less than 0.2 6 8 , right brace−0.34x=y+.13−.885<y<0.268
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Expression 18: negative .7 "x" minus .5 5 equals "y" left brace, .2 6 7 less than "y" less than .8 0 8 , right brace−.7x−.55=y.267<y<.808
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Expression 19: negative .3 5 "x" equals "y" plus .3 left brace, 3.8 9 greater than "x" greater than 3.6 4 , right brace−.35x=y+.33.89>x>3.64
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Expression 20: "y" equals negative 1.6 5 left brace, 4.0 3 2 greater than "x" greater than 3.8 6 7 , right bracey=−1.654.032>x>3.867
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Expression 21: "y" equals negative 1.5 6 left brace, 4.0 6 greater than "x" greater than 3.9 2 , right bracey=−1.564.06>x>3.92
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Expression 22: negative .3 5 "x" equals "y" plus .1 8 1 left brace, 3.9 4 greater than "x" greater than 3.7 4 , right brace−.35x=y+.1813.94>x>3.74
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Expression 23: negative .8 "x" plus 1.5 9 left brace, "y" less than negative 1.5 6 , right brace equals "y" left brace, "x" less than 4.0 3 2 , right brace−.8x+1.59y<−1.56=yx<4.032
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Expression 24: left parenthesis, "x" plus 2.8 2 4 , right parenthesis squared plus left parenthesis, "y" minus 2.9 6 , right parenthesis squared equals .0 2x+2.8242+y−2.962=.02
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Expression 25: 1.5 "x" equals negative "y" left brace, negative 2.1 4 1 7 less than "x" less than negative 1.5 , right brace1.5x=−y−2.1417<x<−1.5
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Expression 26: negative .7 9 "x" positive 1 equals "y" left brace, 0 less than "x" less than 2.3 , right brace−.79x+1=y0<x<2.3