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What's the property of equality of r- 20 = 30

User Fleming
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2 Answers

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Addition Property: For all real numbers x,y, and z , if x=y , then x+z=y+z .

eflexive Property: For all real numbers x , x=x . A number equals itself.

Subtraction Property: For all real numbers x,y, and z , if x=y , then x−z=y−z .

so its subtraction property

User Icelean
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4 votes

Answer:

r= 10

Explanation:

30 - 20 = 10

User Cannatown
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