Answer:
Addition property of equality formula
Lesson Summary
We learned that the addition property of equality tells us that if we add the same quantity to both sides of an equation, then our equation remains the same. The formula is if a = b, then a + c = b + c.
Step-by-step explanation:
False
40c - 300 = 40c + 200
-300 = 200
false
D. XYZ is obtuse
See the solution above..☝☝
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