Expresión 13: "y" minus 4 equals 1 left parenthesis, "x" minus 2 , right parenthesis left brace, 2 less than or equal to "x" less than or equal to 4 , right bracey−4=1x−22≤x≤4
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Expresión 14: "y" minus 6 equals negative 2 left parenthesis, "x" minus 4 , right parenthesis left brace, 4 less than or equal to "x" less than or equal to 5 , right bracey−6=−2x−44≤x≤5
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Expresión 15: "y" minus 4 equals 1 left parenthesis, "x" minus 5 , right parenthesis left brace, 4 less than or equal to "x" less than or equal to 5 , right bracey−4=1x−54≤x≤5
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Expresión 16: "y" minus 4 equals 1 half left parenthesis, "x" minus 6 , right parenthesis left brace, 4 less than or equal to "x" less than or equal to 6 , right bracey−4=12x−64≤x≤6
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Expresión 17: "y" minus 3 equals negative 1 half left parenthesis, "x" minus 8 , right parenthesis left brace, 6 less than or equal to "x" less than or equal to 8 , right bracey−3=−12x−86≤x≤8
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Expresión 18: "x" equals 8 left brace, 1 less than or equal to "y" less than or equal to 3 , right bracex=81≤y≤3
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Expresión 19: "y" minus 1 equals 0 left parenthesis, "x" minus 8 , right parenthesis left brace, 8 less than or equal to "x" less than or equal to 9 , right bracey−1=0x−88≤x≤9
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Expresión 20: "x" equals 9 left brace, negative 1 less than or equal to "y" less than or equal to 1 , right bracex=9−1≤y≤1
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Expresión 21: "y" minus negative 1 equals 0 left parenthesis, "x" minus 9 , right parenthesis left brace, negative 9 less than or equal to "x" less than or equal to 9 , right bracey−−1=0x−9−9≤x≤9
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Expresión 22: "y" minus 4 equals negative 1 left parenthesis, "x" minus 0 , right parenthesis left brace, 0 less than or equal to "x" less than or equal to 1 , right bracey−4=−1x−00≤x≤1
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Expresión 23: "y" minus 3 equals 1 left parenthesis, "x" minus 1 , right parenthesis left brace, 0 less than or equal to "x" less than or equal to 1 , right bracey−3=1x−10≤x≤1
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Expresión 24: "y" minus 2 equals negative 1 left parenthesis, "x" minus 0 , right parenthesis left brace, negative 1 less than or equal to "x" less than or equal to 0 , right bracey−2=−1x−0−1≤x≤0
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Expresión 25: "y" minus 4 equals 1 left parenthesis, "x" minus 0 , right parenthesis left brace, negative 1 less than or equal to "x" less than or equal to 0 , right bracey−4=1x−0−1≤x≤0