Expressão 15: "x" equals negative 3 left brace, 8 less than or equal to "y" less than or equal to 11 , right bracex=−38≤y≤11
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Expressão 16: "y" equals negative 3 halves "x" plus negative 5 left brace, 7 less than or equal to "y" less than or equal to 10 , right bracey=−32x+−57≤y≤10
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Expressão 17: "y" equals "x" plus 20 left brace, 10 less than or equal to "y" less than or equal to 12 , right bracey=x+2010≤y≤12
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Expressão 18: "y" equals 12 left brace, negative 8 less than or equal to "x" less than or equal to negative 6 , right bracey=12−8≤x≤−6
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Expressão 19: "y" equals negative "x" plus 6 left brace, 10 less than or equal to "y" less than or equal to 12 , right bracey=−x+610≤y≤12
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Expressão 20: "y" equals "x" plus 14 left brace, 8 less than or equal to "y" less than or equal to 10 , right bracey=x+148≤y≤10
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Expressão 21: "y" equals 8 left brace, negative 8 less than or equal to "x" less than or equal to negative 6 , right bracey=8−8≤x≤−6
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Expressão 22: "y" equals negative 2 "x" minus 8 left brace, 8 less than or equal to "y" less than or equal to 10 , right bracey=−2x−88≤y≤10
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Expressão 23: "y" equals 1 half "x" plus 14.5 left brace, 10 less than or equal to "y" less than or equal to 11 , right bracey=12x+14.510≤y≤11
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Expressão 24: "y" equals negative "x" plus 4 left brace, 10 less than or equal to "y" less than or equal to 11 , right bracey=−x+410≤y≤11
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Expressão 25: "y" equals "x" plus 15 plus left brace, 9 less than or equal to "y" less than or equal to 10 , right bracey=x+15+9≤y≤10
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Expressão 26: "x" equals negative 7 left brace, 9 less than or equal to "y" less than or equal to 10 , right bracex=−79≤y≤10
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Expressão 27: "x" equals negative 14 left brace, 10 less than or equal to "y" less than or equal to 11 , right bracex=−1410≤y≤11
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Expressão 28: "x" equals negative 12 left brace, 10 less than or equal to "y" less than or equal to 11 , right bracex=−1210≤y≤11
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Expressão 29: "y" equals 9 left brace, negative 14 less than or equal to "x" less than or equal to negative 12 , right bracey=9−14≤x≤−12
