Direction: Evaluate each of the following.

[tex] \sf \: a. \: 7 - 4 \\ \\ \dashrightarrow \boxed{3}[/tex]
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[tex] \sf \: b. \: ( - 9) - ( - 12) \\ \\ \dashrightarrow - 9 + 12 \\ \\ \dashrightarrow \boxed{3}[/tex]
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[tex] \sf \: c. \: ( - 3) - ( - 14) \\ \\ \dashrightarrow - 3 + 14 \\ \\ \dashrightarrow \boxed{11}[/tex]
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[tex] \sf \: d. \: ( - 15) - ( - 14) \\ \\ \dashrightarrow - 15 + 14 \\ \\ \dashrightarrow \boxed{- 1}[/tex]
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[tex] \sf \: e. \: ( - 10 ) - ( - 20) \\ \\ \dashrightarrow - 10 + 20 \\ \\ \dashrightarrow \boxed{10}[/tex]
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