Answer:
1. A. Add 11 to each sides
2. A. if a = b, then a + c = b + c.
Explanation:
In number one, we should add 11 to both sides because the equation is subtraction.
27 + 11 = 38
38 - 11 = 27
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2. According to the equality property, if we add the same quantity to both sides of an equation, the result is the same.
