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Mashutka [201]
3 years ago
9

Which property justifies the following statement?

Mathematics
2 answers:
nikitadnepr [17]3 years ago
7 0
Addition Property of Equality
zhuklara [117]3 years ago
3 0

Answer:

Addition Property of Equality

Step-by-step explanation:

Given:3 ● m∠Q − 17 = 30, then 3 ● m∠Q = 47.

3 ●m∠Q - 17 = 30

Here we have to find the m∠Q. To find the angle use inverse operation of subtraction.

The inverse operation of subtraction is addition.

Here we have to get rid of -17, the inverse operation of "-" is "+"

So, add +17 on both sides, we get

3 ●m∠Q - 17 + 17 = 30 + 17

3 ●m∠Q = 47

Therefore, we used Addition property of equality.

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