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Expression 7: "y" equals StartFraction, left parenthesis, "c" plus "a" , right parenthesis Over "b" plus "d" , EndFraction "x"

7

Label: left parenthesis, "b" , "a" , right parenthesis

Label:

equals

left parenthesis, 3 , 4 , right parenthesis

8

Label: left parenthesis, "d" , "c" , right parenthesis

Label:

equals

left parenthesis, 5 , 2 , right parenthesis

9

Label: left parenthesis, "b" plus "d" , "a" plus "c" , right parenthesis

Label:

equals

left parenthesis, 8 , 6 , right parenthesis

10

Expression 11: left parenthesis, "y" minus "c" , right parenthesis equals left parenthesis, StartFraction, "a" Over "b" , EndFraction , right parenthesis left parenthesis, "x" minus "d" , right parenthesis left brace, "d" less than or equal to "x" less than or equal to "b" plus "d" , right brace

11

Expression 12: left parenthesis, "y" minus "a" , right parenthesis equals left parenthesis, StartFraction, "c" Over "d" , EndFraction , right parenthesis left parenthesis, "x" minus "b" , right parenthesis left brace, "b" less than or equal to "x" less than or equal to "b" plus "d" , right brace

12

Expression 13:

13

14

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left parenthesis, 3 , 4 , right parenthesis

left parenthesis, 5 , 2 , right parenthesis

left parenthesis, 8 , 6 , right parenthesis

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