Answer:
100
Explanation:
Let's look at each calculation. The parentheses highlight each calculation being performed, though make no change to the answer produced.
(100 - 5) + 12 - 7
= (95 + 12) - 7
= 107 - 7
= 100
100−5+12−7=100+12−5−7=112−12=100.
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