Respuesta :

Step-by-step explanation:

(a)

34 - (-73) = 34 + 73

34 + 73 = 107

107 = 107

(b)

45 - (-30) = 45 + 30

45 + 30 = 75

75 = 75

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Answer:

[tex]a + b \\ 1)a = 34 \: \: b = 73 \\ 34 + 73 = 107 \\ 2)a = 45 \: b = 30 \\ 45 + 30 = 75 \\ thank \: you[/tex]

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