Answer:
A. -51 + 60
Explanation:
-51 - (-60)
NB: The is an imaginary one before the first bracket.
-51 -1(-60)
NB: Negative × Negative = Positive
-1 × -60 = 60
-51 + 60
Hope it helps....(✿^‿^)(✿^‿^)
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